diff --git a/.github/workflows/test-builds.yml b/.github/workflows/test-builds.yml
index 069f36714d..e339f85646 100644
--- a/.github/workflows/test-builds.yml
+++ b/.github/workflows/test-builds.yml
@@ -76,6 +76,7 @@ jobs:
         - STM32F103RE_btt
         - STM32F103RE_btt_USB
         - STM32F103RE_creality
+        - STM32F401RC_creality
         - STM32F103VE_longer
         - STM32F407VE_black
         - STM32F401VE_STEVAL
diff --git a/Marlin/src/HAL/AVR/HAL.h b/Marlin/src/HAL/AVR/HAL.h
index c7454a5234..d346041805 100644
--- a/Marlin/src/HAL/AVR/HAL.h
+++ b/Marlin/src/HAL/AVR/HAL.h
@@ -28,7 +28,6 @@
 #ifdef USBCON
   #include <HardwareSerial.h>
 #else
-  #define HardwareSerial_h // Hack to prevent HardwareSerial.h header inclusion
   #include "MarlinSerial.h"
 #endif
 
diff --git a/Marlin/src/HAL/AVR/inc/SanityCheck.h b/Marlin/src/HAL/AVR/inc/SanityCheck.h
index 15a5be4cd2..7936de8b99 100644
--- a/Marlin/src/HAL/AVR/inc/SanityCheck.h
+++ b/Marlin/src/HAL/AVR/inc/SanityCheck.h
@@ -25,6 +25,30 @@
  * Test AVR-specific configuration values for errors at compile-time.
  */
 
+/**
+ * Check for common serial pin conflicts
+ */
+#define CHECK_SERIAL_PIN(N) ( \
+     X_STOP_PIN == N || Y_STOP_PIN == N || Z_STOP_PIN == N \
+  || X_MIN_PIN  == N || Y_MIN_PIN  == N || Z_MIN_PIN  == N \
+  || X_MAX_PIN  == N || Y_MAX_PIN  == N || Z_MAX_PIN  == N \
+  || X_STEP_PIN == N || Y_STEP_PIN == N || Z_STEP_PIN == N \
+  || X_DIR_PIN  == N || Y_DIR_PIN  == N || Z_DIR_PIN  == N \
+  || X_ENA_PIN  == N || Y_ENA_PIN  == N || Z_ENA_PIN  == N \
+)
+#if CONF_SERIAL_IS(0) // D0-D1. No known conflicts.
+#endif 
+#if CONF_SERIAL_IS(1) && (CHECK_SERIAL_PIN(18) || CHECK_SERIAL_PIN(19))
+  #error "Serial Port 1 pin D18 and/or D19 conflicts with another pin on the board."
+#endif 
+#if CONF_SERIAL_IS(2) && (CHECK_SERIAL_PIN(16) || CHECK_SERIAL_PIN(17))
+  #error "Serial Port 2 pin D16 and/or D17 conflicts with another pin on the board."
+#endif
+#if CONF_SERIAL_IS(3) && (CHECK_SERIAL_PIN(14) || CHECK_SERIAL_PIN(15))
+  #error "Serial Port 3 pin D14 and/or D15 conflicts with another pin on the board."
+#endif 
+#undef CHECK_SERIAL_PIN
+
 /**
  * Checks for FAST PWM
  */
diff --git a/Marlin/src/HAL/DUE/inc/SanityCheck.h b/Marlin/src/HAL/DUE/inc/SanityCheck.h
index 75480acaf2..dd37a7bde1 100644
--- a/Marlin/src/HAL/DUE/inc/SanityCheck.h
+++ b/Marlin/src/HAL/DUE/inc/SanityCheck.h
@@ -25,6 +25,30 @@
  * Test Arduino Due specific configuration values for errors at compile-time.
  */
 
+/**
+ * Check for common serial pin conflicts
+ */
+#define CHECK_SERIAL_PIN(N) ( \
+     X_STOP_PIN == N || Y_STOP_PIN == N || Z_STOP_PIN == N \
+  || X_MIN_PIN  == N || Y_MIN_PIN  == N || Z_MIN_PIN  == N \
+  || X_MAX_PIN  == N || Y_MAX_PIN  == N || Z_MAX_PIN  == N \
+  || X_STEP_PIN == N || Y_STEP_PIN == N || Z_STEP_PIN == N \
+  || X_DIR_PIN  == N || Y_DIR_PIN  == N || Z_DIR_PIN  == N \
+  || X_ENA_PIN  == N || Y_ENA_PIN  == N || Z_ENA_PIN  == N \
+)
+#if CONF_SERIAL_IS(0) // D0-D1. No known conflicts.
+#endif 
+#if CONF_SERIAL_IS(1) && (CHECK_SERIAL_PIN(18) || CHECK_SERIAL_PIN(19))
+  #error "Serial Port 1 pin D18 and/or D19 conflicts with another pin on the board."
+#endif 
+#if CONF_SERIAL_IS(2) && (CHECK_SERIAL_PIN(16) || CHECK_SERIAL_PIN(17))
+  #error "Serial Port 2 pin D16 and/or D17 conflicts with another pin on the board."
+#endif
+#if CONF_SERIAL_IS(3) && (CHECK_SERIAL_PIN(14) || CHECK_SERIAL_PIN(15))
+  #error "Serial Port 3 pin D14 and/or D15 conflicts with another pin on the board."
+#endif 
+#undef CHECK_SERIAL_PIN
+
 /**
  * HARDWARE VS. SOFTWARE SPI COMPATIBILITY
  *
diff --git a/Marlin/src/HAL/STM32/HAL.cpp b/Marlin/src/HAL/STM32/HAL.cpp
index d28f506db9..2d8b672c3d 100644
--- a/Marlin/src/HAL/STM32/HAL.cpp
+++ b/Marlin/src/HAL/STM32/HAL.cpp
@@ -31,7 +31,7 @@
 #include "../shared/Delay.h"
 
 #ifdef USBCON
-  DefaultSerial1 MSerial0(false, SerialUSB);
+  DefaultSerial1 MSerialUSB(false, SerialUSB);
 #endif
 
 #if ENABLED(SRAM_EEPROM_EMULATION)
diff --git a/Marlin/src/HAL/STM32/HAL.h b/Marlin/src/HAL/STM32/HAL.h
index d88342b889..1bd7f76042 100644
--- a/Marlin/src/HAL/STM32/HAL.h
+++ b/Marlin/src/HAL/STM32/HAL.h
@@ -51,57 +51,67 @@
   #include <USBSerial.h>
   #include "../../core/serial_hook.h"
   typedef ForwardSerial1Class< decltype(SerialUSB) > DefaultSerial1;
-  extern DefaultSerial1 MSerial0;
+  extern DefaultSerial1 MSerialUSB;
 #endif
 
 #define _MSERIAL(X) MSerial##X
 #define MSERIAL(X) _MSERIAL(X)
 
-#if SERIAL_PORT == -1
-  #define MYSERIAL1 MSerial0
-#elif WITHIN(SERIAL_PORT, 1, 6)
+#if WITHIN(SERIAL_PORT, 1, 6)
   #define MYSERIAL1 MSERIAL(SERIAL_PORT)
+#elif !defined(USBCON)
+  #error "SERIAL_PORT must be from 1 to 6."
+#elif SERIAL_PORT == -1
+  #define MYSERIAL1 MSerialUSB
 #else
-  #error "SERIAL_PORT must be from 1 to 6. You can also use -1 if the board supports Native USB."
+  #error "SERIAL_PORT must be from 1 to 6, or -1 for Native USB."
 #endif
 
 #ifdef SERIAL_PORT_2
-  #if SERIAL_PORT_2 == -1
-    #define MYSERIAL2 MSerial0
-  #elif WITHIN(SERIAL_PORT_2, 1, 6)
+  #if WITHIN(SERIAL_PORT_2, 1, 6)
     #define MYSERIAL2 MSERIAL(SERIAL_PORT_2)
+  #elif !defined(USBCON)
+    #error "SERIAL_PORT must be from 1 to 6."
+  #elif SERIAL_PORT_2 == -1
+    #define MYSERIAL2 MSerialUSB
   #else
-    #error "SERIAL_PORT_2 must be from 1 to 6. You can also use -1 if the board supports Native USB."
+    #error "SERIAL_PORT_2 must be from 1 to 6, or -1 for Native USB."
   #endif
 #endif
 
 #ifdef SERIAL_PORT_3
-  #if SERIAL_PORT_3 == -1
-    #define MYSERIAL3 MSerial0
-  #elif WITHIN(SERIAL_PORT_3, 1, 6)
+  #if WITHIN(SERIAL_PORT_3, 1, 6)
     #define MYSERIAL3 MSERIAL(SERIAL_PORT_3)
+  #elif !defined(USBCON)
+    #error "SERIAL_PORT must be from 1 to 6."
+  #elif SERIAL_PORT_3 == -1
+    #define MYSERIAL3 MSerialUSB
   #else
-    #error "SERIAL_PORT_3 must be from 1 to 6. You can also use -1 if the board supports Native USB."
+    #error "SERIAL_PORT_3 must be from 1 to 6, or -1 for Native USB."
   #endif
 #endif
 
 #ifdef MMU2_SERIAL_PORT
-  #if MMU2_SERIAL_PORT == -1
-    #define MMU2_SERIAL MSerial0
-  #elif WITHIN(MMU2_SERIAL_PORT, 1, 6)
+  #if WITHIN(MMU2_SERIAL_PORT, 1, 6)
     #define MMU2_SERIAL MSERIAL(MMU2_SERIAL_PORT)
+  #elif !defined(USBCON)
+    #error "SERIAL_PORT must be from 1 to 6."
+  #elif MMU2_SERIAL_PORT == -1
+    #define MMU2_SERIAL MSerialUSB
   #else
-    #error "MMU2_SERIAL_PORT must be from 1 to 6. You can also use -1 if the board supports Native USB."
+    #error "MMU2_SERIAL_PORT must be from 1 to 6, or -1 for Native USB."
   #endif
 #endif
 
 #ifdef LCD_SERIAL_PORT
-  #if LCD_SERIAL_PORT == -1
-    #define LCD_SERIAL MSerial0
-  #elif WITHIN(LCD_SERIAL_PORT, 1, 6)
+  #if WITHIN(LCD_SERIAL_PORT, 1, 6)
     #define LCD_SERIAL MSERIAL(LCD_SERIAL_PORT)
+  #elif !defined(USBCON)
+    #error "SERIAL_PORT must be from 1 to 6."
+  #elif LCD_SERIAL_PORT == -1
+    #define LCD_SERIAL MSerialUSB
   #else
-    #error "LCD_SERIAL_PORT must be from 1 to 6. You can also use -1 if the board supports Native USB."
+    #error "LCD_SERIAL_PORT must be from 1 to 6, or -1 for Native USB."
   #endif
   #if HAS_DGUS_LCD
     #define SERIAL_GET_TX_BUFFER_FREE() LCD_SERIAL.availableForWrite()
diff --git a/Marlin/src/MarlinCore.cpp b/Marlin/src/MarlinCore.cpp
index 279754aee3..3f067c1dc0 100644
--- a/Marlin/src/MarlinCore.cpp
+++ b/Marlin/src/MarlinCore.cpp
@@ -321,6 +321,10 @@ bool pin_is_protected(const pin_t pin) {
 
 #pragma GCC diagnostic pop
 
+bool printer_busy() {
+  return planner.movesplanned() || printingIsActive();
+}
+
 /**
  * A Print Job exists when the timer is running or SD is printing
  */
@@ -1557,10 +1561,6 @@ void setup() {
     SETUP_RUN(hostui.prompt_end());
   #endif
 
-  #if HAS_TRINAMIC_CONFIG && DISABLED(PSU_DEFAULT_OFF)
-    SETUP_RUN(test_tmc_connection());
-  #endif
-
   #if HAS_DRIVER_SAFE_POWER_PROTECT
     SETUP_RUN(stepper_driver_backward_report());
   #endif
@@ -1618,6 +1618,10 @@ void setup() {
     SETUP_RUN(easythreed_ui.init());
   #endif
 
+  #if HAS_TRINAMIC_CONFIG && DISABLED(PSU_DEFAULT_OFF)
+    SETUP_RUN(test_tmc_connection());
+  #endif
+
   marlin_state = MF_RUNNING;
 
   SETUP_LOG("setup() completed.");
diff --git a/Marlin/src/MarlinCore.h b/Marlin/src/MarlinCore.h
index 7063c7e2de..f80405a302 100644
--- a/Marlin/src/MarlinCore.h
+++ b/Marlin/src/MarlinCore.h
@@ -61,6 +61,8 @@ bool printJobOngoing();
 bool printingIsPaused();
 void startOrResumeJob();
 
+bool printer_busy();
+
 extern bool wait_for_heatup;
 
 #if HAS_RESUME_CONTINUE
diff --git a/Marlin/src/core/boards.h b/Marlin/src/core/boards.h
index 1430375482..653bbf1e17 100644
--- a/Marlin/src/core/boards.h
+++ b/Marlin/src/core/boards.h
@@ -352,19 +352,20 @@
 #define BOARD_CREALITY_V431_D         4049  // Creality v4.3.1d (STM32F103RC / STM32F103RE)
 #define BOARD_CREALITY_V452           4050  // Creality v4.5.2 (STM32F103RC / STM32F103RE)
 #define BOARD_CREALITY_V453           4051  // Creality v4.5.3 (STM32F103RC / STM32F103RE)
-#define BOARD_CREALITY_V24S1          4052  // Creality v2.4.S1 (STM32F103RC / STM32F103RE) v101 as found in the Ender 7
-#define BOARD_CREALITY_V24S1_301      4053  // Creality v2.4.S1_301 (STM32F103RC / STM32F103RE) as found in the Ender 3 S1
-#define BOARD_TRIGORILLA_PRO          4054  // Trigorilla Pro (STM32F103ZE)
-#define BOARD_FLY_MINI                4055  // FLYmaker FLY MINI (STM32F103RC)
-#define BOARD_FLSUN_HISPEED           4056  // FLSUN HiSpeedV1 (STM32F103VE)
-#define BOARD_BEAST                   4057  // STM32F103RE Libmaple-based controller
-#define BOARD_MINGDA_MPX_ARM_MINI     4058  // STM32F103ZE Mingda MD-16
-#define BOARD_GTM32_PRO_VD            4059  // STM32F103VE controller
-#define BOARD_ZONESTAR_ZM3E2          4060  // Zonestar ZM3E2    (STM32F103RC)
-#define BOARD_ZONESTAR_ZM3E4          4061  // Zonestar ZM3E4 V1 (STM32F103VC)
-#define BOARD_ZONESTAR_ZM3E4V2        4062  // Zonestar ZM3E4 V2 (STM32F103VC)
-#define BOARD_ERYONE_ERY32_MINI       4063  // Eryone Ery32 mini (STM32F103VE)
-#define BOARD_PANDA_PI_V29            4064  // Panda Pi V2.9 - Standalone (STM32F103RC)
+#define BOARD_CREALITY_V24S1          4052  // Creality v2.4.S1 (STM32F103RC / STM32F103RE) v101 as found in the Ender-7
+#define BOARD_CREALITY_V24S1_301      4053  // Creality v2.4.S1_301 (STM32F103RC / STM32F103RE) v301 as found in the Ender-3 S1
+#define BOARD_CREALITY_V25S1          4054  // Creality v2.5.S1 (STM32F103RE) as found in the CR-10 Smart Pro
+#define BOARD_TRIGORILLA_PRO          4055  // Trigorilla Pro (STM32F103ZE)
+#define BOARD_FLY_MINI                4056  // FLYmaker FLY MINI (STM32F103RC)
+#define BOARD_FLSUN_HISPEED           4057  // FLSUN HiSpeedV1 (STM32F103VE)
+#define BOARD_BEAST                   4058  // STM32F103RE Libmaple-based controller
+#define BOARD_MINGDA_MPX_ARM_MINI     4059  // STM32F103ZE Mingda MD-16
+#define BOARD_GTM32_PRO_VD            4060  // STM32F103VE controller
+#define BOARD_ZONESTAR_ZM3E2          4061  // Zonestar ZM3E2    (STM32F103RC)
+#define BOARD_ZONESTAR_ZM3E4          4062  // Zonestar ZM3E4 V1 (STM32F103VC)
+#define BOARD_ZONESTAR_ZM3E4V2        4063  // Zonestar ZM3E4 V2 (STM32F103VC)
+#define BOARD_ERYONE_ERY32_MINI       4064  // Eryone Ery32 mini (STM32F103VE)
+#define BOARD_PANDA_PI_V29            4065  // Panda Pi V2.9 - Standalone (STM32F103RC)
 
 //
 // ARM Cortex-M4F
@@ -417,6 +418,7 @@
 #define BOARD_MKS_EAGLE               4237  // MKS Eagle (STM32F407VE)
 #define BOARD_ARTILLERY_RUBY          4238  // Artillery Ruby (STM32F401RC)
 #define BOARD_FYSETC_SPIDER_V2_2      4239  // FYSETC Spider V2.2 (STM32F446VE)
+#define BOARD_CREALITY_V24S1_301F4    4240  // Creality v2.4.S1_301F4 (STM32F401RC) as found in the Ender-3 S1 F4
 
 //
 // ARM Cortex M7
diff --git a/Marlin/src/core/serial_hook.h b/Marlin/src/core/serial_hook.h
index 9b9fa8fa38..3972279452 100644
--- a/Marlin/src/core/serial_hook.h
+++ b/Marlin/src/core/serial_hook.h
@@ -298,7 +298,7 @@ struct MultiSerial : public SerialBase< MultiSerial< REPEAT(NUM_SERIAL, _S_NAME)
 // Build the actual serial object depending on current configuration
 #define Serial1Class TERN(SERIAL_RUNTIME_HOOK, RuntimeSerial, BaseSerial)
 #define ForwardSerial1Class TERN(SERIAL_RUNTIME_HOOK, RuntimeSerial, ForwardSerial)
-#ifdef HAS_MULTI_SERIAL
+#if HAS_MULTI_SERIAL
   #define Serial2Class ConditionalSerial
   #if NUM_SERIAL >= 3
     #define Serial3Class ConditionalSerial
diff --git a/Marlin/src/core/types.h b/Marlin/src/core/types.h
index 045ca3589f..855502458b 100644
--- a/Marlin/src/core/types.h
+++ b/Marlin/src/core/types.h
@@ -66,6 +66,59 @@ struct IF<true, L, R> { typedef L type; };
 
 #define AXIS_COLLISION(L) (AXIS4_NAME == L || AXIS5_NAME == L || AXIS6_NAME == L)
 
+// General Flags for some number of states
+template<size_t N>
+struct Flags {
+  typedef typename IF<(N>8), uint16_t, uint8_t>::type bits_t;
+  typedef struct { bool b0:1, b1:1, b2:1, b3:1, b4:1, b5:1, b6:1, b7:1; } N8;
+  typedef struct { bool b0:1, b1:1, b2:1, b3:1, b4:1, b5:1, b6:1, b7:1, b8:1, b9:1, b10:1, b11:1, b12:1, b13:1, b14:1, b15:1; } N16;
+  union {
+    bits_t b;
+    typename IF<(N>8), N16, N8>::type flag;
+  };
+  void reset()                             { b = 0; }
+  void set(const int n, const bool onoff)  { onoff ? set(n) : clear(n); }
+  void set(const int n)                    { b |=  (bits_t)_BV(n); }
+  void clear(const int n)                  { b &= ~(bits_t)_BV(n); }
+  bool test(const int n) const             { return TEST(b, n); }
+        bool operator[](const int n)       { return test(n); }
+  const bool operator[](const int n) const { return test(n); }
+  const int size() const                   { return sizeof(b); }
+};
+
+// Specialization for a single bool flag
+template<>
+struct Flags<1> {
+  bool b;
+  void reset()                            { b = false; }
+  void set(const int n, const bool onoff) { onoff ? set(n) : clear(n); }
+  void set(const int)                     { b = true; }
+  void clear(const int)                   { b = false; }
+  bool test(const int) const              { return b; }
+        bool operator[](const int)        { return b; }
+  const bool operator[](const int) const  { return b; }
+  const int size() const                  { return sizeof(b); }
+};
+
+typedef Flags<8> flags_8_t;
+typedef Flags<16> flags_16_t;
+
+// Flags for some axis states, with per-axis aliases xyzijkuvwe
+typedef struct AxisFlags {
+  union {
+    struct Flags<LOGICAL_AXES> flags;
+    struct { bool LOGICAL_AXIS_LIST(e:1, x:1, y:1, z:1, i:1, j:1, k:1, u:1, v:1, w:1); };
+  };
+  void reset()                             { flags.reset(); }
+  void set(const int n)                    { flags.set(n); }
+  void set(const int n, const bool onoff)  { flags.set(n, onoff); }
+  void clear(const int n)                  { flags.clear(n); }
+  bool test(const int n) const             { return flags.test(n); }
+        bool operator[](const int n)       { return flags[n]; }
+  const bool operator[](const int n) const { return flags[n]; }
+  const int size() const                   { return sizeof(flags); }
+} axis_flags_t;
+
 //
 // Enumerated axis indices
 //
diff --git a/Marlin/src/feature/bedlevel/ubl/ubl.h b/Marlin/src/feature/bedlevel/ubl/ubl.h
index 8dad966acb..9dd964c46c 100644
--- a/Marlin/src/feature/bedlevel/ubl/ubl.h
+++ b/Marlin/src/feature/bedlevel/ubl/ubl.h
@@ -83,7 +83,6 @@ private:
   static bool smart_fill_one(const xy_uint8_t &pos, const xy_uint8_t &dir) {
     return smart_fill_one(pos.x, pos.y, dir.x, dir.y);
   }
-  static void smart_fill_mesh();
 
   #if ENABLED(UBL_DEVEL_DEBUGGING)
     static void g29_what_command();
@@ -106,6 +105,7 @@ public:
   static void set_all_mesh_points_to_value(const_float_t value);
   static void adjust_mesh_to_mean(const bool cflag, const_float_t value);
   static bool sanity_check();
+  static void smart_fill_mesh();
 
   static void G29() __O0;                           // O0 for no optimization
   static void smart_fill_wlsf(const_float_t ) __O2; // O2 gives smaller code than Os on A2560
diff --git a/Marlin/src/feature/fancheck.cpp b/Marlin/src/feature/fancheck.cpp
index 1b47fadecc..126b79b0a4 100644
--- a/Marlin/src/feature/fancheck.cpp
+++ b/Marlin/src/feature/fancheck.cpp
@@ -34,7 +34,7 @@
 #if HAS_AUTO_FAN && EXTRUDER_AUTO_FAN_SPEED != 255 && DISABLED(FOURWIRES_FANS)
   bool FanCheck::measuring = false;
 #endif
-bool FanCheck::tacho_state[TACHO_COUNT];
+Flags<TACHO_COUNT> FanCheck::tacho_state;
 uint16_t FanCheck::edge_counter[TACHO_COUNT];
 uint8_t FanCheck::rps[TACHO_COUNT];
 FanCheck::TachoError FanCheck::error = FanCheck::TachoError::NONE;
@@ -103,7 +103,7 @@ void FanCheck::update_tachometers() {
 
     if (status != tacho_state[f]) {
       if (measuring) ++edge_counter[f];
-      tacho_state[f] = status;
+      tacho_state.set(f, status);
     }
   }
 }
diff --git a/Marlin/src/feature/fancheck.h b/Marlin/src/feature/fancheck.h
index c8665a0e96..b13a34fb19 100644
--- a/Marlin/src/feature/fancheck.h
+++ b/Marlin/src/feature/fancheck.h
@@ -51,7 +51,7 @@ class FanCheck {
     #else
       static constexpr bool measuring = true;
     #endif
-    static bool tacho_state[TACHO_COUNT];
+    static Flags<TACHO_COUNT> tacho_state;
     static uint16_t edge_counter[TACHO_COUNT];
     static uint8_t rps[TACHO_COUNT];
     static TachoError error;
diff --git a/Marlin/src/feature/fwretract.cpp b/Marlin/src/feature/fwretract.cpp
index bf47a6b2d5..172c97accd 100644
--- a/Marlin/src/feature/fwretract.cpp
+++ b/Marlin/src/feature/fwretract.cpp
@@ -45,7 +45,7 @@ FWRetract fwretract; // Single instance - this calls the constructor
 // private:
 
 #if HAS_MULTI_EXTRUDER
-  bool FWRetract::retracted_swap[EXTRUDERS];          // Which extruders are swap-retracted
+  Flags<EXTRUDERS> FWRetract::retracted_swap;         // Which extruders are swap-retracted
 #endif
 
 // public:
@@ -56,7 +56,7 @@ fwretract_settings_t FWRetract::settings;             // M207 S F Z W, M208 S F
   bool FWRetract::autoretract_enabled;                // M209 S - Autoretract switch
 #endif
 
-bool FWRetract::retracted[EXTRUDERS];                 // Which extruders are currently retracted
+Flags<EXTRUDERS> FWRetract::retracted;                // Which extruders are currently retracted
 
 float FWRetract::current_retract[EXTRUDERS],          // Retract value used by planner
       FWRetract::current_hop;
@@ -73,9 +73,9 @@ void FWRetract::reset() {
   settings.swap_retract_recover_feedrate_mm_s = RETRACT_RECOVER_FEEDRATE_SWAP;
   current_hop = 0.0;
 
+  retracted.reset();
   EXTRUDER_LOOP() {
-    retracted[e] = false;
-    E_TERN_(retracted_swap[e] = false);
+    E_TERN_(retracted_swap.clear(e));
     current_retract[e] = 0.0;
   }
 }
@@ -173,11 +173,11 @@ void FWRetract::retract(const bool retracting E_OPTARG(bool swapping/*=false*/))
 
   TERN_(RETRACT_SYNC_MIXING, mixer.T(old_mixing_tool));   // Restore original mixing tool
 
-  retracted[active_extruder] = retracting;                // Active extruder now retracted / recovered
+  retracted.set(active_extruder, retracting);             // Active extruder now retracted / recovered
 
   // If swap retract/recover update the retracted_swap flag too
   #if HAS_MULTI_EXTRUDER
-    if (swapping) retracted_swap[active_extruder] = retracting;
+    if (swapping) retracted_swap.set(active_extruder, retracting);
   #endif
 
   /* // debugging
diff --git a/Marlin/src/feature/fwretract.h b/Marlin/src/feature/fwretract.h
index 081ec44c05..db2a62c8d4 100644
--- a/Marlin/src/feature/fwretract.h
+++ b/Marlin/src/feature/fwretract.h
@@ -43,7 +43,7 @@ typedef struct {
 class FWRetract {
 private:
   #if HAS_MULTI_EXTRUDER
-    static bool retracted_swap[EXTRUDERS];         // Which extruders are swap-retracted
+    static Flags<EXTRUDERS> retracted_swap;        // Which extruders are swap-retracted
   #endif
 
 public:
@@ -55,7 +55,7 @@ public:
     static constexpr bool autoretract_enabled = false;
   #endif
 
-  static bool retracted[EXTRUDERS];                // Which extruders are currently retracted
+  static Flags<EXTRUDERS> retracted;               // Which extruders are currently retracted
   static float current_retract[EXTRUDERS],         // Retract value used by planner
                current_hop;                        // Hop value used by planner
 
@@ -63,9 +63,7 @@ public:
 
   static void reset();
 
-  static void refresh_autoretract() {
-    EXTRUDER_LOOP() retracted[e] = false;
-  }
+  static void refresh_autoretract() { retracted.reset(); }
 
   static void enable_autoretract(const bool enable) {
     #if ENABLED(FWRETRACT_AUTORETRACT)
diff --git a/Marlin/src/feature/powerloss.cpp b/Marlin/src/feature/powerloss.cpp
index e880f802dc..944f2ee63c 100644
--- a/Marlin/src/feature/powerloss.cpp
+++ b/Marlin/src/feature/powerloss.cpp
@@ -519,7 +519,7 @@ void PrintJobRecovery::resume() {
     EXTRUDER_LOOP() {
       if (info.retract[e] != 0.0) {
         fwretract.current_retract[e] = info.retract[e];
-        fwretract.retracted[e] = true;
+        fwretract.retracted.set(e);
       }
     }
     fwretract.current_hop = info.retract_hop;
diff --git a/Marlin/src/feature/spindle_laser.cpp b/Marlin/src/feature/spindle_laser.cpp
index 52bb471b0f..ef3503c40d 100644
--- a/Marlin/src/feature/spindle_laser.cpp
+++ b/Marlin/src/feature/spindle_laser.cpp
@@ -159,8 +159,8 @@ void SpindleLaser::apply_power(const uint8_t opwr) {
 
 #if ENABLED(AIR_ASSIST)
   // Enable / disable air assist
-  void SpindleLaser::air_assist_enable()  { WRITE(AIR_ASSIST_PIN,  AIR_ASSIST_PIN); } // Turn ON
-  void SpindleLaser::air_assist_disable() { WRITE(AIR_ASSIST_PIN, !AIR_ASSIST_PIN); } // Turn OFF
+  void SpindleLaser::air_assist_enable()  { WRITE(AIR_ASSIST_PIN,  AIR_ASSIST_ACTIVE); } // Turn ON
+  void SpindleLaser::air_assist_disable() { WRITE(AIR_ASSIST_PIN, !AIR_ASSIST_ACTIVE); } // Turn OFF
   void SpindleLaser::air_assist_toggle()  { TOGGLE(AIR_ASSIST_PIN); } // Toggle state
 #endif
 
diff --git a/Marlin/src/gcode/bedlevel/abl/G29.cpp b/Marlin/src/gcode/bedlevel/abl/G29.cpp
index c8d37567d5..fcce263321 100644
--- a/Marlin/src/gcode/bedlevel/abl/G29.cpp
+++ b/Marlin/src/gcode/bedlevel/abl/G29.cpp
@@ -428,7 +428,7 @@ G29_TYPE GcodeSuite::G29() {
       if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPGM("> 3-point Leveling");
       points[0].z = points[1].z = points[2].z = 0;  // Probe at 3 arbitrary points
     #elif ENABLED(AUTO_BED_LEVELING_BILINEAR)
-      TERN_(DWIN_CREALITY_LCD_ENHANCED, DWIN_LevelingStart());
+      TERN_(DWIN_LCD_PROUI, DWIN_LevelingStart());
     #endif
 
     TERN_(EXTENSIBLE_UI, ExtUI::onLevelingStart());
diff --git a/Marlin/src/gcode/calibrate/G76_M871.cpp b/Marlin/src/gcode/calibrate/G76_M871.cpp
index ad13b20306..c484d4f1b7 100644
--- a/Marlin/src/gcode/calibrate/G76_M871.cpp
+++ b/Marlin/src/gcode/calibrate/G76_M871.cpp
@@ -82,13 +82,13 @@
  *  - `P` - Run probe temperature calibration.
  */
 
-static void say_waiting_for()               { SERIAL_ECHOPGM("Waiting for "); }
-static void say_waiting_for_probe_heating() { say_waiting_for(); SERIAL_ECHOLNPGM("probe heating."); }
-static void say_successfully_calibrated()   { SERIAL_ECHOPGM("Successfully calibrated"); }
-static void say_failed_to_calibrate()       { SERIAL_ECHOPGM("!Failed to calibrate"); }
-
 #if BOTH(PTC_PROBE, PTC_BED)
 
+  static void say_waiting_for()               { SERIAL_ECHOPGM("Waiting for "); }
+  static void say_waiting_for_probe_heating() { say_waiting_for(); SERIAL_ECHOLNPGM("probe heating."); }
+  static void say_successfully_calibrated()   { SERIAL_ECHOPGM("Successfully calibrated"); }
+  static void say_failed_to_calibrate()       { SERIAL_ECHOPGM("!Failed to calibrate"); }
+
   void GcodeSuite::G76() {
     auto report_temps = [](millis_t &ntr, millis_t timeout=0) {
       idle_no_sleep();
diff --git a/Marlin/src/gcode/control/M17_M18_M84.cpp b/Marlin/src/gcode/control/M17_M18_M84.cpp
index 3bc5582ce7..8350538a92 100644
--- a/Marlin/src/gcode/control/M17_M18_M84.cpp
+++ b/Marlin/src/gcode/control/M17_M18_M84.cpp
@@ -33,8 +33,8 @@
 #include "../../core/debug_out.h"
 #include "../../libs/hex_print.h"
 
-inline axis_flags_t selected_axis_bits() {
-  axis_flags_t selected{0};
+inline stepper_flags_t selected_axis_bits() {
+  stepper_flags_t selected{0};
   #if HAS_EXTRUDERS
     if (parser.seen('E')) {
       if (E_TERN0(parser.has_value())) {
@@ -58,7 +58,7 @@ inline axis_flags_t selected_axis_bits() {
 }
 
 // Enable specified axes and warn about other affected axes
-void do_enable(const axis_flags_t to_enable) {
+void do_enable(const stepper_flags_t to_enable) {
   const ena_mask_t was_enabled = stepper.axis_enabled.bits,
                   shall_enable = to_enable.bits & ~was_enabled;
 
@@ -141,7 +141,7 @@ void GcodeSuite::M17() {
   }
 }
 
-void try_to_disable(const axis_flags_t to_disable) {
+void try_to_disable(const stepper_flags_t to_disable) {
   ena_mask_t still_enabled = to_disable.bits & stepper.axis_enabled.bits;
 
   DEBUG_ECHOLNPGM("Enabled: ", hex_word(stepper.axis_enabled.bits), " To Disable: ", hex_word(to_disable.bits), " | ", hex_word(still_enabled));
diff --git a/Marlin/src/gcode/lcd/M73.cpp b/Marlin/src/gcode/lcd/M73.cpp
index 355445c573..a86eee4d99 100644
--- a/Marlin/src/gcode/lcd/M73.cpp
+++ b/Marlin/src/gcode/lcd/M73.cpp
@@ -42,7 +42,7 @@ void GcodeSuite::M73() {
 
   #if ENABLED(DWIN_LCD_PROUI)
 
-    DWIN_Progress_Update();
+    DWIN_M73();
 
   #else
 
diff --git a/Marlin/src/inc/Conditionals_LCD.h b/Marlin/src/inc/Conditionals_LCD.h
index 621b33fdb7..9c91107462 100644
--- a/Marlin/src/inc/Conditionals_LCD.h
+++ b/Marlin/src/inc/Conditionals_LCD.h
@@ -488,7 +488,7 @@
   #ifndef LCD_SERIAL_PORT
     #if MB(BTT_SKR_MINI_E3_V1_0, BTT_SKR_MINI_E3_V1_2, BTT_SKR_MINI_E3_V2_0, BTT_SKR_MINI_E3_V3_0, BTT_SKR_E3_TURBO)
       #define LCD_SERIAL_PORT 1
-    #elif MB(CREALITY_V24S1_301)
+    #elif MB(CREALITY_V24S1_301, CREALITY_V24S1_301F4, CREALITY_V423)
       #define LCD_SERIAL_PORT 2 // Creality Ender3S1 board
     #else
       #define LCD_SERIAL_PORT 3 // Creality 4.x board
diff --git a/Marlin/src/inc/SanityCheck.h b/Marlin/src/inc/SanityCheck.h
index b542c37c88..db4c332e81 100644
--- a/Marlin/src/inc/SanityCheck.h
+++ b/Marlin/src/inc/SanityCheck.h
@@ -1836,7 +1836,7 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
  * LCD_BED_LEVELING requirements
  */
 #if ENABLED(LCD_BED_LEVELING)
-  #if NONE(HAS_MARLINUI_MENU, DWIN_CREALITY_LCD, DWIN_LCD_PROUI)
+  #if !HAS_MARLINUI_MENU
     #error "LCD_BED_LEVELING is not supported by the selected LCD controller."
   #elif !(ENABLED(MESH_BED_LEVELING) || HAS_ABL_NOT_UBL)
     #error "LCD_BED_LEVELING requires MESH_BED_LEVELING or AUTO_BED_LEVELING."
@@ -2281,18 +2281,6 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
 #if TEMP_SENSOR_PROBE
   #if !PIN_EXISTS(TEMP_PROBE)
     #error "TEMP_SENSOR_PROBE requires TEMP_PROBE_PIN."
-  #elif !HAS_TEMP_ADC_PROBE
-    #error "TEMP_PROBE_PIN must be an ADC pin."
-  #elif DISABLED(FIX_MOUNTED_PROBE)
-    #error "TEMP_SENSOR_PROBE shouldn't be set without FIX_MOUNTED_PROBE."
-  #endif
-#endif
-
-#if TEMP_SENSOR_PROBE
-  #if !PIN_EXISTS(TEMP_PROBE)
-    #error "TEMP_SENSOR_PROBE requires TEMP_PROBE_PIN."
-  #elif !HAS_TEMP_ADC_PROBE
-    #error "TEMP_PROBE_PIN must be an ADC pin."
   #elif DISABLED(FIX_MOUNTED_PROBE)
     #error "TEMP_SENSOR_PROBE shouldn't be set without FIX_MOUNTED_PROBE."
   #endif
@@ -2301,8 +2289,6 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
 #if TEMP_SENSOR_BOARD
   #if !PIN_EXISTS(TEMP_BOARD)
     #error "TEMP_SENSOR_BOARD requires TEMP_BOARD_PIN."
-  #elif !HAS_TEMP_ADC_BOARD
-    #error "TEMP_BOARD_PIN must be an ADC pin."
   #elif ENABLED(THERMAL_PROTECTION_BOARD) && (!defined(BOARD_MINTEMP) || !defined(BOARD_MAXTEMP))
     #error "THERMAL_PROTECTION_BOARD requires BOARD_MINTEMP and BOARD_MAXTEMP."
   #endif
diff --git a/Marlin/src/lcd/e3v2/creality/dwin.cpp b/Marlin/src/lcd/e3v2/creality/dwin.cpp
index 05ac38d226..65da4cb421 100644
--- a/Marlin/src/lcd/e3v2/creality/dwin.cpp
+++ b/Marlin/src/lcd/e3v2/creality/dwin.cpp
@@ -33,7 +33,7 @@
 //#define USE_STRING_HEADINGS
 //#define USE_STRING_TITLES
 
-#if ENABLED(LCD_BED_LEVELING) && DISABLED(PROBE_MANUALLY) && ANY(AUTO_BED_LEVELING_BILINEAR, AUTO_BED_LEVELING_LINEAR, AUTO_BED_LEVELING_3POINT)
+#if DISABLED(PROBE_MANUALLY) && ANY(AUTO_BED_LEVELING_BILINEAR, AUTO_BED_LEVELING_LINEAR, AUTO_BED_LEVELING_3POINT)
   #define HAS_ONESTEP_LEVELING 1
 #endif
 
@@ -1366,8 +1366,6 @@ void HMI_Move_Z() {
 
 #if HAS_ZOFFSET_ITEM
 
-  bool printer_busy() { return planner.movesplanned() || printingIsActive(); }
-
   void HMI_Zoffset() {
     EncoderState encoder_diffState = Encoder_ReceiveAnalyze();
     if (encoder_diffState == ENCODER_DIFF_NO) return;
diff --git a/Marlin/src/lcd/e3v2/proui/dwin.cpp b/Marlin/src/lcd/e3v2/proui/dwin.cpp
index 9db6355e98..9e4464dec9 100644
--- a/Marlin/src/lcd/e3v2/proui/dwin.cpp
+++ b/Marlin/src/lcd/e3v2/proui/dwin.cpp
@@ -432,7 +432,7 @@ void Draw_Back_First(const bool is_sel=true) {
 //PopUps
 void Popup_window_PauseOrStop() {
   if (HMI_IsChinese()) {
-    DWINUI::ClearMenuArea();
+    DWINUI::ClearMainArea();
     Draw_Popup_Bkgd();
          if (select_print.now == PRINT_PAUSE_RESUME) DWIN_Frame_AreaCopy(1, 237, 338, 269, 356, 98, 150);
     else if (select_print.now == PRINT_STOP) DWIN_Frame_AreaCopy(1, 221, 320, 253, 336, 98, 150);
@@ -451,7 +451,7 @@ void Popup_window_PauseOrStop() {
   void Popup_Window_ETempTooLow() {
     if (HMI_IsChinese()) {
       HMI_SaveProcessID(WaitResponse);
-      DWINUI::ClearMenuArea();
+      DWINUI::ClearMainArea();
       Draw_Popup_Bkgd();
       DWINUI::Draw_Icon(ICON_TempTooLow, 102, 105);
       DWIN_Frame_AreaCopy(1, 103, 371, 136, 386,  69, 240);
@@ -469,7 +469,7 @@ void Popup_window_PauseOrStop() {
   void DWIN_Popup_Temperature(const bool toohigh) {
     HMI_SaveProcessID(WaitResponse);
     if (HMI_IsChinese()) {
-      DWINUI::ClearMenuArea();
+      DWINUI::ClearMainArea();
       Draw_Popup_Bkgd();
       if (toohigh) {
         DWINUI::Draw_Icon(ICON_TempTooHigh, 102, 165);
@@ -579,13 +579,13 @@ void Draw_Print_ProgressBar() {
 void Draw_Print_ProgressElapsed() {
   char buf[10];
   duration_t elapsed = print_job_timer.duration(); // print timer
-  sprintf_P(buf, PSTR("%02i:%02i"), (uint16_t)(elapsed.value / 3600), ((uint16_t)elapsed.value % 3600) / 60);
+  sprintf_P(buf, PSTR("%02i:%02i "), (uint16_t)(elapsed.value / 3600), ((uint16_t)elapsed.value % 3600) / 60);
   DWINUI::Draw_String(HMI_data.Text_Color, HMI_data.Background_Color, 47, 192, buf);
 }
 
 void Draw_Print_ProgressRemain() {
   char buf[10];
-  sprintf_P(buf, PSTR("%02i:%02i"), (uint16_t)(_remain_time / 3600), ((uint16_t)_remain_time % 3600) / 60);
+  sprintf_P(buf, PSTR("%02i:%02i "), (uint16_t)(_remain_time / 3600), ((uint16_t)_remain_time % 3600) / 60);
   DWINUI::Draw_String(HMI_data.Text_Color, HMI_data.Background_Color, 181, 192, buf);
 }
 
@@ -612,7 +612,7 @@ void Draw_PrintProcess() {
     Title.FrameCopy(30, 1, 42, 14);                     // "Printing"
   else
     Title.ShowCaption(GET_TEXT_F(MSG_PRINTING));
-  DWINUI::ClearMenuArea();
+  DWINUI::ClearMainArea();
   DWIN_Print_Header(sdprint ? card.longest_filename() : nullptr);
   Draw_Print_Labels();
   DWINUI::Draw_Icon(ICON_PrintTime, 15, 173);
@@ -641,7 +641,7 @@ void Draw_PrintDone() {
   _remain_time = 0;
 
   Title.ShowCaption(GET_TEXT_F(MSG_PRINT_DONE));
-  DWINUI::ClearMenuArea();
+  DWINUI::ClearMainArea();
   DWIN_Print_Header(nullptr);
   Draw_Print_ProgressBar();
   Draw_Print_Labels();
@@ -663,7 +663,7 @@ void Goto_PrintDone() {
 }
 
 void Draw_Main_Menu() {
-  DWINUI::ClearMenuArea();
+  DWINUI::ClearMainArea();
   if (HMI_IsChinese())
     Title.FrameCopy(2, 2, 26, 13);   // "Home" etc
   else
@@ -933,7 +933,7 @@ void Redraw_SD_List() {
   select_file.reset();
   index_file = MROWS;
 
-  DWINUI::ClearMenuArea(); // Leave title bar unchanged
+  DWINUI::ClearMainArea(); // Leave title bar unchanged
 
   Draw_Back_First();
 
@@ -1041,7 +1041,7 @@ void DWIN_Draw_Dashboard() {
 }
 
 void Draw_Info_Menu() {
-  DWINUI::ClearMenuArea();
+  DWINUI::ClearMainArea();
   Draw_Back_First();
   if (HMI_IsChinese())
     Title.FrameCopy(30, 17, 28, 13);                        // "Info"
@@ -1107,7 +1107,7 @@ void HMI_MainMenu() {
       case PAGE_PRINT:
         checkkey = SelectFile;
         card.mount();
-        delay(300);
+        safe_delay(300);
         Draw_Print_File_Menu();
         break;
       case PAGE_PREPARE: Draw_Prepare_Menu(); break;
@@ -1349,8 +1349,8 @@ void HMI_Init() {
 
 void EachMomentUpdate() {
   static millis_t next_var_update_ms = 0, next_rts_update_ms = 0, next_status_update_ms = 0;
-
   const millis_t ms = millis();
+
   if (ELAPSED(ms, next_var_update_ms)) {
     next_var_update_ms = ms + DWIN_VAR_UPDATE_INTERVAL;
     update_variable();
@@ -1439,7 +1439,7 @@ void EachMomentUpdate() {
 
 #if ENABLED(POWER_LOSS_RECOVERY)
   void Popup_PowerLossRecovery() {
-    DWINUI::ClearMenuArea();
+    DWINUI::ClearMainArea();
     Draw_Popup_Bkgd();
     if (HMI_IsChinese()) {
       DWIN_Frame_AreaCopy(1, 160, 338, 235, 354, 98, 115);
@@ -1478,7 +1478,7 @@ void EachMomentUpdate() {
 
   void Goto_PowerLossRecovery() {
     recovery.dwin_flag = false;
-    LCD_MESSAGE_F(GET_TEXT_F(MSG_CONTINUE_PRINT_JOB));
+    LCD_MESSAGE(MSG_CONTINUE_PRINT_JOB);
     Goto_Popup(Popup_PowerLossRecovery, onClick_PowerLossRecovery);
   }
 
@@ -1581,15 +1581,15 @@ void DWIN_PidTuning(pidresult_t result) {
       break;
     case PID_BAD_EXTRUDER_NUM:
       checkkey = last_checkkey;
-      DWIN_Popup_Confirm(ICON_TempTooLow, F("PID Autotune failed!"), F("Bad extruder"));
+      DWIN_Popup_Confirm(ICON_TempTooLow, GET_TEXT_F(MSG_PID_AUTOTUNE_FAILED), GET_TEXT_F(MSG_BAD_EXTRUDER_NUM));
       break;
     case PID_TUNING_TIMEOUT:
       checkkey = last_checkkey;
-      DWIN_Popup_Confirm(ICON_TempTooHigh, F("Error"), GET_TEXT_F(MSG_PID_TIMEOUT));
+      DWIN_Popup_Confirm(ICON_TempTooHigh, GET_TEXT_F(MSG_ERROR), GET_TEXT_F(MSG_PID_TIMEOUT));
       break;
     case PID_TEMP_TOO_HIGH:
       checkkey = last_checkkey;
-      DWIN_Popup_Confirm(ICON_TempTooHigh, F("PID Autotune failed!"), F("Temperature too high"));
+      DWIN_Popup_Confirm(ICON_TempTooHigh, GET_TEXT_F(MSG_PID_AUTOTUNE_FAILED), GET_TEXT_F(MSG_TEMP_TOO_HIGH));
       break;
     case PID_DONE:
       checkkey = last_checkkey;
@@ -1637,7 +1637,7 @@ void DWIN_Print_Finished() {
   HMI_flag.pause_flag = false;
   wait_for_heatup = false;
   planner.finish_and_disable();
-    thermalManager.cooldown();
+  thermalManager.cooldown();
   Goto_PrintDone();
 }
 
@@ -1652,7 +1652,7 @@ void DWIN_Print_Aborted() {
 }
 
 // Progress Bar update
-void DWIN_Progress_Update() {
+void DWIN_M73() {
   if (parser.seenval('P')) _percent_done = parser.byteval('P');
   if (parser.seenval('R')) {
     _remain_time = parser.ulongval('R') * 60;
@@ -1707,11 +1707,11 @@ void DWIN_SetDataDefaults() {
   TERN_(BAUD_RATE_GCODE, SetBaud250K());
 }
 
-void DWIN_StoreSettings(char *buff) {
+void DWIN_CopySettingsTo(char * const buff) {
   memcpy(buff, &HMI_data, _MIN(sizeof(HMI_data), eeprom_data_size));
 }
 
-void DWIN_LoadSettings(const char *buff) {
+void DWIN_CopySettingsFrom(const char * const buff) {
   // (void *)-> Avoid Warning when save data different from uintX_t in HMI_data_t struct
   memcpy((void *)&HMI_data, buff, _MIN(sizeof(HMI_data), eeprom_data_size));
   dwin_zoffset = TERN0(HAS_BED_PROBE, probe.offset.z);
@@ -1729,6 +1729,7 @@ void DWIN_LoadSettings(const char *buff) {
     // Apply Led Color
     leds.set_color(HMI_data.Led_Color);
   #endif
+
 }
 
 // Initialize or re-initialize the LCD
@@ -1773,10 +1774,10 @@ void DWIN_RebootScreen() {
   DWIN_JPG_ShowAndCache(0);
   DWINUI::Draw_CenteredString(Color_White, 220, GET_TEXT_F(MSG_PLEASE_WAIT_REBOOT));
   DWIN_UpdateLCD();
-  delay(500);
+  safe_delay(500);
 }
 
-void DWIN_Redraw_screen() {
+void DWIN_RedrawScreen() {
   Draw_Main_Area();
   hash_changed = true;
   DWIN_DrawStatusMessage();
@@ -1898,13 +1899,13 @@ void Goto_ConfirmToPrint() {
 
   void ReadEeprom() {
     const bool success = settings.load();
-    DWIN_Redraw_screen();
+    DWIN_RedrawScreen();
     HMI_AudioFeedback(success);
   }
 
   void ResetEeprom() {
     settings.reset();
-    DWIN_Redraw_screen();
+    DWIN_RedrawScreen();
     HMI_AudioFeedback();
   }
 #endif
@@ -1947,7 +1948,7 @@ void SetHome() {
 }
 
 #if HAS_ZOFFSET_ITEM
-  bool printer_busy() { return planner.movesplanned() || printingIsActive(); }
+
   void ApplyZOffset() { TERN_(EEPROM_SETTINGS, settings.save()); }
   void LiveZOffset() {
     last_zoffset = dwin_zoffset;
@@ -2066,7 +2067,7 @@ void SetPID(celsius_t t, heater_id_t h) {
   void ApplyBrightness() { ui.set_brightness(MenuData.Value); }
   void LiveBrightness() { DWIN_LCD_Brightness(MenuData.Value); }
   void SetBrightness() { SetIntOnClick(LCD_BRIGHTNESS_MIN, LCD_BRIGHTNESS_MAX, ui.brightness, ApplyBrightness, LiveBrightness); }
-  void TurnOffBacklight() { HMI_SaveProcessID(WaitResponse); ui.set_brightness(0); DWIN_Redraw_screen(); }
+  void TurnOffBacklight() { HMI_SaveProcessID(WaitResponse); ui.set_brightness(0); DWIN_RedrawScreen(); }
 #endif
 
 #if ENABLED(CASE_LIGHT_MENU)
@@ -2170,7 +2171,7 @@ void SetPID(celsius_t t, heater_id_t h) {
 void RestoreDefaultsColors() {
   DWIN_SetColorDefaults();
   DWINUI::SetColors(HMI_data.Text_Color, HMI_data.Background_Color, HMI_data.StatusBg_Color);
-  DWIN_Redraw_screen();
+  DWIN_RedrawScreen();
 }
 
 void SelColor() {
@@ -2981,7 +2982,7 @@ void Draw_Prepare_Menu() {
 }
 
 void Draw_Tramming_Menu() {
-  DWINUI::ClearMenuArea();
+  DWINUI::ClearMainArea();
   checkkey = Menu;
   if (!TrammingMenu) TrammingMenu = new MenuClass();
   if (CurrentMenu != TrammingMenu) {
diff --git a/Marlin/src/lcd/e3v2/proui/dwin.h b/Marlin/src/lcd/e3v2/proui/dwin.h
index b61ed846df..3219171a11 100644
--- a/Marlin/src/lcd/e3v2/proui/dwin.h
+++ b/Marlin/src/lcd/e3v2/proui/dwin.h
@@ -115,7 +115,7 @@ void Goto_PowerLossRecovery();
 void Goto_ConfirmToPrint();
 void DWIN_Draw_Dashboard(const bool with_update); // Status Area
 void Draw_Main_Area();      // Redraw main area;
-void DWIN_Redraw_screen();  // Redraw all screen elements
+void DWIN_RedrawScreen();  // Redraw all screen elements
 void HMI_MainMenu();        // Main process screen
 void HMI_SelectFile();      // File page
 void HMI_Printing();        // Print page
@@ -158,12 +158,12 @@ void DWIN_Print_Aborted();
 #if HAS_FILAMENT_SENSOR
   void DWIN_FilamentRunout(const uint8_t extruder);
 #endif
-void DWIN_Progress_Update();
+void DWIN_M73();
 void DWIN_Print_Header(const char *text);
 void DWIN_SetColorDefaults();
 void DWIN_ApplyColor();
-void DWIN_StoreSettings(char *buff);
-void DWIN_LoadSettings(const char *buff);
+void DWIN_CopySettingsTo(char * const buff);
+void DWIN_CopySettingsFrom(const char * const buff);
 void DWIN_SetDataDefaults();
 void DWIN_RebootScreen();
 
diff --git a/Marlin/src/lcd/e3v2/proui/dwin_defines.h b/Marlin/src/lcd/e3v2/proui/dwin_defines.h
index 4ebc2c16c6..1e361c8c11 100644
--- a/Marlin/src/lcd/e3v2/proui/dwin_defines.h
+++ b/Marlin/src/lcd/e3v2/proui/dwin_defines.h
@@ -80,7 +80,7 @@
 
 #define HAS_ESDIAG 1
 
-#if ENABLED(LED_CONTROL_MENU, HAS_COLOR_LEDS)
+#if BOTH(LED_CONTROL_MENU, HAS_COLOR_LEDS)
   #define Def_Leds_Color      LEDColorWhite()
 #endif
 #if ENABLED(CASELIGHT_USES_BRIGHTNESS)
diff --git a/Marlin/src/lcd/e3v2/proui/dwin_popup.h b/Marlin/src/lcd/e3v2/proui/dwin_popup.h
index 0d86499475..b4503ea786 100644
--- a/Marlin/src/lcd/e3v2/proui/dwin_popup.h
+++ b/Marlin/src/lcd/e3v2/proui/dwin_popup.h
@@ -50,7 +50,7 @@ inline void Draw_Popup_Bkgd() {
 
 template<typename T, typename U>
 void DWIN_Draw_Popup(const uint8_t icon, T amsg1=nullptr, U amsg2=nullptr, uint8_t button=0) {
-  DWINUI::ClearMenuArea();
+  DWINUI::ClearMainArea();
   Draw_Popup_Bkgd();
   if (icon) DWINUI::Draw_Icon(icon, 101, 105);
   if (amsg1) DWINUI::Draw_CenteredString(HMI_data.PopupTxt_Color, 210, amsg1);
diff --git a/Marlin/src/lcd/e3v2/proui/dwinui.cpp b/Marlin/src/lcd/e3v2/proui/dwinui.cpp
index ddc494fc84..e190fa06fb 100644
--- a/Marlin/src/lcd/e3v2/proui/dwinui.cpp
+++ b/Marlin/src/lcd/e3v2/proui/dwinui.cpp
@@ -304,7 +304,7 @@ void DWINUI::Draw_Checkbox(uint16_t color, uint16_t bcolor, uint16_t x, uint16_t
 }
 
 // Clear Menu by filling the menu area with background color
-void DWINUI::ClearMenuArea() {
+void DWINUI::ClearMainArea() {
   DWIN_Draw_Rectangle(1, backcolor, 0, TITLE_HEIGHT, DWIN_WIDTH - 1, STATUS_Y - 1);
 }
 
diff --git a/Marlin/src/lcd/e3v2/proui/dwinui.h b/Marlin/src/lcd/e3v2/proui/dwinui.h
index 1504dcd305..6771c77d5d 100644
--- a/Marlin/src/lcd/e3v2/proui/dwinui.h
+++ b/Marlin/src/lcd/e3v2/proui/dwinui.h
@@ -593,7 +593,7 @@ namespace DWINUI {
 
   // Clear Menu by filling the area with background color
   // Area (0, TITLE_HEIGHT, DWIN_WIDTH, STATUS_Y - 1)
-  void ClearMenuArea();
+  void ClearMainArea();
 
   // Clear MenuItems array and free MenuItems elements
   void MenuItemsClear();
diff --git a/Marlin/src/lcd/e3v2/proui/endstop_diag.cpp b/Marlin/src/lcd/e3v2/proui/endstop_diag.cpp
index 0b450bd4c0..19d726037c 100644
--- a/Marlin/src/lcd/e3v2/proui/endstop_diag.cpp
+++ b/Marlin/src/lcd/e3v2/proui/endstop_diag.cpp
@@ -71,7 +71,7 @@ void draw_es_state(const bool is_hit) {
 
 void ESDiagClass::Draw() {
   Title.ShowCaption(F("End-stops Diagnostic"));
-  DWINUI::ClearMenuArea();
+  DWINUI::ClearMainArea();
   Draw_Popup_Bkgd();
   DWINUI::Draw_Button(BTN_Continue, 86, 250);
   DWINUI::cursor.y = 80;
diff --git a/Marlin/src/lcd/e3v2/proui/lockscreen.cpp b/Marlin/src/lcd/e3v2/proui/lockscreen.cpp
index 2895c01544..c179856c6a 100644
--- a/Marlin/src/lcd/e3v2/proui/lockscreen.cpp
+++ b/Marlin/src/lcd/e3v2/proui/lockscreen.cpp
@@ -50,11 +50,10 @@ void LockScreenClass::init() {
 }
 
 void LockScreenClass::draw() {
-  Title.SetCaption(PSTR("Lock Screen"));
-  DWINUI::ClearMenuArea();
+  DWINUI::ClearMainArea();
   DWINUI::Draw_Icon(ICON_LOGO, 71, 120);  // CREALITY logo
-  DWINUI::Draw_CenteredString(Color_White, 180, F("Printer is Locked,"));
-  DWINUI::Draw_CenteredString(Color_White, 200, F("Scroll to unlock."));
+  DWINUI::Draw_CenteredString(Color_White, 180, GET_TEXT_F(MSG_LOCKSCREEN_LOCKED));
+  DWINUI::Draw_CenteredString(Color_White, 200, GET_TEXT_F(MSG_LOCKSCREEN_UNLOCK));
   DWINUI::Draw_CenteredString(Color_White, 240, F("-> | <-"));
   DWIN_Draw_Box(1, HMI_data.Barfill_Color, 0, 260, DWIN_WIDTH, 20);
   DWIN_Draw_VLine(Color_Yellow, lock_pos * DWIN_WIDTH / 255, 260, 20);
diff --git a/Marlin/src/lcd/e3v2/proui/meshviewer.cpp b/Marlin/src/lcd/e3v2/proui/meshviewer.cpp
index 0b22ae98d5..6121ab35d4 100644
--- a/Marlin/src/lcd/e3v2/proui/meshviewer.cpp
+++ b/Marlin/src/lcd/e3v2/proui/meshviewer.cpp
@@ -67,7 +67,7 @@ void MeshViewerClass::DrawMesh(bed_mesh_t zval, const uint8_t sizex, const uint8
   max = (float)maxz / 100;
   min = (float)minz / 100;
   avg = avg / (100 * sizex * sizey);
-  DWINUI::ClearMenuArea();
+  DWINUI::ClearMainArea();
   DWIN_Draw_Rectangle(0, HMI_data.SplitLine_Color, px(0), py(0), px(sizex - 1), py(sizey - 1));
   LOOP_S_L_N(x, 1, sizex - 1) DrawMeshVLine(x);
   LOOP_S_L_N(y, 1, sizey - 1) DrawMeshHLine(y);
@@ -90,7 +90,7 @@ void MeshViewerClass::DrawMesh(bed_mesh_t zval, const uint8_t sizex, const uint8
             sprintf_P(str_1, PSTR("-.%02i"), -zmesh[x][y]);
             break;
           case 0:
-            DWIN_Draw_String(false, font6x12, DWINUI::textcolor, DWINUI::backcolor, px(x) - 4, py(y) - 6, "0");;
+            DWIN_Draw_String(false, font6x12, DWINUI::textcolor, DWINUI::backcolor, px(x) - 4, py(y) - 6, "0");
             break;
           case 1 ... 99:
             sprintf_P(str_1, PSTR(".%02i"), zmesh[x][y]);
@@ -107,13 +107,16 @@ void MeshViewerClass::DrawMesh(bed_mesh_t zval, const uint8_t sizex, const uint8
 }
 
 void MeshViewerClass::Draw(bool withsave /*= false*/) {
-  Title.ShowCaption(F("Mesh Viewer"));
+  Title.ShowCaption(GET_TEXT_F(MSG_MESH_VIEWER));
   DrawMesh(Z_VALUES_ARR, GRID_MAX_POINTS_X, GRID_MAX_POINTS_Y);
   if (withsave) {
     DWINUI::Draw_Button(BTN_Save, 26, 305);
     DWINUI::Draw_Button(BTN_Continue, 146, 305);
     Draw_Select_Highlight(HMI_flag.select_flag, 305);
-  } else DWINUI::Draw_Button(BTN_Continue, 86, 305);
+  }
+  else
+    DWINUI::Draw_Button(BTN_Continue, 86, 305);
+
   char str_1[6], str_2[6] = "";
   ui.status_printf(0, F("Mesh minZ: %s, maxZ: %s"),
     dtostrf(min, 1, 2, str_1),
diff --git a/Marlin/src/lcd/e3v2/proui/printstats.cpp b/Marlin/src/lcd/e3v2/proui/printstats.cpp
index d4ca4ca225..f33d0d15fa 100644
--- a/Marlin/src/lcd/e3v2/proui/printstats.cpp
+++ b/Marlin/src/lcd/e3v2/proui/printstats.cpp
@@ -50,7 +50,7 @@ void PrintStatsClass::Draw() {
   constexpr int8_t MRG = 30;
 
   Title.ShowCaption(GET_TEXT_F(MSG_INFO_STATS_MENU));
-  DWINUI::ClearMenuArea();
+  DWINUI::ClearMainArea();
   Draw_Popup_Bkgd();
   DWINUI::Draw_Button(BTN_Continue, 86, 250);
   printStatistics ps = print_job_timer.getStats();
diff --git a/Marlin/src/lcd/extui/nextion/nextion_extui.cpp b/Marlin/src/lcd/extui/nextion/nextion_extui.cpp
index da54fac383..0e84fd33cf 100644
--- a/Marlin/src/lcd/extui/nextion/nextion_extui.cpp
+++ b/Marlin/src/lcd/extui/nextion/nextion_extui.cpp
@@ -35,25 +35,25 @@
 
 namespace ExtUI {
 
-  void onStartup()                                   { nextion.Startup();  }
-  void onIdle()                                      { nextion.IdleLoop(); }
+  void onStartup() { nextion.Startup();  }
+  void onIdle() { nextion.IdleLoop(); }
   void onPrinterKilled(FSTR_P const error, FSTR_P const component) { nextion.PrinterKilled(error, component); }
   void onMediaInserted() {}
-  void onMediaError()    {}
-  void onMediaRemoved()  {}
+  void onMediaError() {}
+  void onMediaRemoved() {}
   void onPlayTone(const uint16_t frequency, const uint16_t duration) {}
   void onPrintTimerStarted() {}
-  void onPrintTimerPaused()  {}
+  void onPrintTimerPaused() {}
   void onPrintTimerStopped() {}
-  void onFilamentRunout(const extruder_t)            {}
+  void onFilamentRunout(const extruder_t) {}
   void onUserConfirmRequired(const char * const msg) { nextion.ConfirmationRequest(msg); }
-  void onStatusChanged(const char * const msg)       { nextion.StatusChange(msg);        }
+  void onStatusChanged(const char * const msg) { nextion.StatusChange(msg); }
 
-  void onHomingStart()    {}
+  void onHomingStart() {}
   void onHomingDone() {}
-  void onPrintDone()                             { nextion.PrintFinished(); }
+  void onPrintDone() { nextion.PrintFinished(); }
 
-  void onFactoryReset()   {}
+  void onFactoryReset() {}
 
   void onStoreSettings(char *buff) {
     // Called when saving to EEPROM (i.e. M500). If the ExtUI needs
@@ -61,7 +61,7 @@ namespace ExtUI {
     // into buff.
 
     // Example:
-    //  static_assert(sizeof(myDataStruct) <= ExtUI::eeprom_data_size);
+    //  static_assert(sizeof(myDataStruct) <= eeprom_data_size);
     //  memcpy(buff, &myDataStruct, sizeof(myDataStruct));
   }
 
@@ -71,7 +71,7 @@ namespace ExtUI {
     // from buff
 
     // Example:
-    //  static_assert(sizeof(myDataStruct) <= ExtUI::eeprom_data_size);
+    //  static_assert(sizeof(myDataStruct) <= eeprom_data_size);
     //  memcpy(&myDataStruct, buff, sizeof(myDataStruct));
   }
 
@@ -97,7 +97,7 @@ namespace ExtUI {
       // Called when any mesh points are updated
     }
 
-    void onMeshUpdate(const int8_t xpos, const int8_t ypos, const ExtUI::probe_state_t state) {
+    void onMeshUpdate(const int8_t xpos, const int8_t ypos, const probe_state_t state) {
       // Called to indicate a special condition
     }
   #endif
diff --git a/Marlin/src/lcd/language/language_de.h b/Marlin/src/lcd/language/language_de.h
index 0c4ba8e8dc..f830fc9821 100644
--- a/Marlin/src/lcd/language/language_de.h
+++ b/Marlin/src/lcd/language/language_de.h
@@ -326,8 +326,8 @@ namespace Language_de {
   LSTR MSG_PID_AUTOTUNE_E                 = _UxGT("PID Autotune *");
   LSTR MSG_PID_CYCLE                      = _UxGT("PID Zyklus");
   LSTR MSG_PID_AUTOTUNE_DONE              = _UxGT("PID Tuning fertig");
-  LSTR MSG_PID_BAD_EXTRUDER_NUM           = _UxGT("Autotune fehlge. Falscher Extruder");
-  LSTR MSG_PID_TEMP_TOO_HIGH              = _UxGT("Autotune fehlge. Temperatur zu hoch.");
+  LSTR MSG_PID_BAD_EXTRUDER_NUM           = _UxGT("Autotune fehlge.! Falscher Extruder");
+  LSTR MSG_PID_TEMP_TOO_HIGH              = _UxGT("Autotune fehlge.! Temperatur zu hoch.");
   LSTR MSG_PID_TIMEOUT                    = _UxGT("Autotune fehlge.! Timeout.");
   LSTR MSG_SELECT                         = _UxGT("Auswählen");
   LSTR MSG_SELECT_E                       = _UxGT("Auswählen *");
diff --git a/Marlin/src/lcd/language/language_en.h b/Marlin/src/lcd/language/language_en.h
index ed152a4dfd..761209866e 100644
--- a/Marlin/src/lcd/language/language_en.h
+++ b/Marlin/src/lcd/language/language_en.h
@@ -54,6 +54,7 @@ namespace Language_en {
   LSTR MSG_YES                            = _UxGT("YES");
   LSTR MSG_NO                             = _UxGT("NO");
   LSTR MSG_BACK                           = _UxGT("Back");
+  LSTR MSG_ERROR                          = _UxGT("Error");
   LSTR MSG_MEDIA_ABORTING                 = _UxGT("Aborting...");
   LSTR MSG_MEDIA_INSERTED                 = MEDIA_TYPE_EN _UxGT(" Inserted");
   LSTR MSG_MEDIA_REMOVED                  = MEDIA_TYPE_EN _UxGT(" Removed");
@@ -340,8 +341,11 @@ namespace Language_en {
   LSTR MSG_PID_AUTOTUNE_E                 = _UxGT("PID Autotune *");
   LSTR MSG_PID_CYCLE                      = _UxGT("PID Cycles");
   LSTR MSG_PID_AUTOTUNE_DONE              = _UxGT("PID tuning done");
-  LSTR MSG_PID_BAD_EXTRUDER_NUM           = _UxGT("Autotune failed. Bad extruder.");
-  LSTR MSG_PID_TEMP_TOO_HIGH              = _UxGT("Autotune failed. Temperature too high.");
+  LSTR MSG_PID_AUTOTUNE_FAILED            = _UxGT("PID Autotune failed!");
+  LSTR MSG_BAD_EXTRUDER_NUM               = _UxGT("Bad extruder.");
+  LSTR MSG_TEMP_TOO_HIGH                  = _UxGT("Temperature too high.");
+  LSTR MSG_PID_BAD_EXTRUDER_NUM           = _UxGT("Autotune failed! Bad extruder.");
+  LSTR MSG_PID_TEMP_TOO_HIGH              = _UxGT("Autotune failed! Temperature too high.");
   LSTR MSG_PID_TIMEOUT                    = _UxGT("Autotune failed! Timeout.");
   LSTR MSG_SELECT                         = _UxGT("Select");
   LSTR MSG_SELECT_E                       = _UxGT("Select *");
@@ -599,6 +603,9 @@ namespace Language_en {
   LSTR MSG_CASE_LIGHT_BRIGHTNESS          = _UxGT("Light Brightness");
   LSTR MSG_KILL_EXPECTED_PRINTER          = _UxGT("INCORRECT PRINTER");
 
+  LSTR MSG_LOCKSCREEN                     = _UxGT("Lock Screen");
+  LSTR MSG_LOCKSCREEN_LOCKED              = _UxGT("Printer is Locked,");
+  LSTR MSG_LOCKSCREEN_UNLOCK              = _UxGT("Scroll to unlock.");
   #if LCD_WIDTH >= 20 || HAS_DWIN_E3V2
     LSTR MSG_MEDIA_NOT_INSERTED           = _UxGT("No media inserted.");
     LSTR MSG_PLEASE_WAIT_REBOOT           = _UxGT("Please wait until reboot. ");
@@ -617,7 +624,6 @@ namespace Language_en {
     LSTR MSG_COLORS_WHITE                 = _UxGT("White");
     LSTR MSG_UI_LANGUAGE                  = _UxGT("UI Language");
     LSTR MSG_SOUND_ENABLE                 = _UxGT("Enable sound");
-    LSTR MSG_LOCKSCREEN                   = _UxGT("Lock Screen");
   #else
     LSTR MSG_MEDIA_NOT_INSERTED           = _UxGT("No Media");
     LSTR MSG_PLEASE_PREHEAT               = _UxGT("Please Preheat");
diff --git a/Marlin/src/lcd/language/language_gl.h b/Marlin/src/lcd/language/language_gl.h
index cc57545e65..55dc03ac9d 100644
--- a/Marlin/src/lcd/language/language_gl.h
+++ b/Marlin/src/lcd/language/language_gl.h
@@ -261,9 +261,9 @@ namespace Language_gl {
   LSTR MSG_PID_AUTOTUNE                   = _UxGT("Auto-Sint. PID");
   LSTR MSG_PID_AUTOTUNE_E                 = _UxGT("Auto-Sint. PID *");
   LSTR MSG_PID_AUTOTUNE_DONE              = _UxGT("Fin Auto-Sint PID");
-  LSTR MSG_PID_BAD_EXTRUDER_NUM           = _UxGT("Auto-Sint. fallida. Extrusor danado.");
-  LSTR MSG_PID_TEMP_TOO_HIGH              = _UxGT("Auto-Sint. fallida. Temperatura moi alta.");
-  LSTR MSG_PID_TIMEOUT                    = _UxGT("Auto-Sint. fallida. Tempo excedido.");
+  LSTR MSG_PID_BAD_EXTRUDER_NUM           = _UxGT("Auto-Sint. fallida! Extrusor danado.");
+  LSTR MSG_PID_TEMP_TOO_HIGH              = _UxGT("Auto-Sint. fallida! Temperatura moi alta.");
+  LSTR MSG_PID_TIMEOUT                    = _UxGT("Auto-Sint. fallida! Tempo excedido.");
   LSTR MSG_SELECT                         = _UxGT("Escolla");
   LSTR MSG_SELECT_E                       = _UxGT("Escolla *");
   LSTR MSG_ACC                            = _UxGT("Acel");
diff --git a/Marlin/src/lcd/language/language_hu.h b/Marlin/src/lcd/language/language_hu.h
index a47b687f3a..6321ed1367 100644
--- a/Marlin/src/lcd/language/language_hu.h
+++ b/Marlin/src/lcd/language/language_hu.h
@@ -309,8 +309,8 @@ namespace Language_hu {
   LSTR MSG_PID_AUTOTUNE_E                 = _UxGT("PID hangolás *");
   LSTR MSG_PID_CYCLE                      = _UxGT("PID ciklus");
   LSTR MSG_PID_AUTOTUNE_DONE              = _UxGT("PID hangolás kész");
-  LSTR MSG_PID_BAD_EXTRUDER_NUM           = _UxGT("Hangolási hiba. Rossz adagoló.");
-  LSTR MSG_PID_TEMP_TOO_HIGH              = _UxGT("Hangolási hiba. Magas hömérséklet.");
+  LSTR MSG_PID_BAD_EXTRUDER_NUM           = _UxGT("Hangolási hiba! Rossz adagoló.");
+  LSTR MSG_PID_TEMP_TOO_HIGH              = _UxGT("Hangolási hiba! Magas hömérséklet.");
   LSTR MSG_PID_TIMEOUT                    = _UxGT("Hangolási hiba! Idötúllépés.");
   LSTR MSG_SELECT                         = _UxGT("Kiválaszt");
   LSTR MSG_SELECT_E                       = _UxGT("Kiválaszt *");
diff --git a/Marlin/src/lcd/language/language_it.h b/Marlin/src/lcd/language/language_it.h
index 79ef5b5f9d..3e65dde786 100644
--- a/Marlin/src/lcd/language/language_it.h
+++ b/Marlin/src/lcd/language/language_it.h
@@ -343,8 +343,8 @@ namespace Language_it {
   LSTR MSG_PID_AUTOTUNE_E                 = _UxGT("Calib.PID *");
   LSTR MSG_PID_CYCLE                      = _UxGT("Ciclo PID");
   LSTR MSG_PID_AUTOTUNE_DONE              = _UxGT("Calibr.PID eseguita");
-  LSTR MSG_PID_BAD_EXTRUDER_NUM           = _UxGT("Calibrazione fallita. Estrusore errato.");
-  LSTR MSG_PID_TEMP_TOO_HIGH              = _UxGT("Calibrazione fallita. Temperatura troppo alta.");
+  LSTR MSG_PID_BAD_EXTRUDER_NUM           = _UxGT("Calibrazione fallita! Estrusore errato.");
+  LSTR MSG_PID_TEMP_TOO_HIGH              = _UxGT("Calibrazione fallita! Temperatura troppo alta.");
   LSTR MSG_PID_TIMEOUT                    = _UxGT("Calibrazione fallita! Tempo scaduto.");
   LSTR MSG_MPC_MEASURING_AMBIENT          = _UxGT("Testing heat loss");
   LSTR MSG_MPC_AUTOTUNE                   = _UxGT("MPC Autotune");
diff --git a/Marlin/src/lcd/language/language_ro.h b/Marlin/src/lcd/language/language_ro.h
index c3fc37bf48..79421752af 100644
--- a/Marlin/src/lcd/language/language_ro.h
+++ b/Marlin/src/lcd/language/language_ro.h
@@ -260,8 +260,8 @@ namespace Language_ro {
   LSTR MSG_PID_AUTOTUNE                   = _UxGT("PID Autotune");
   LSTR MSG_PID_AUTOTUNE_E                 = _UxGT("PID Autotune *");
   LSTR MSG_PID_AUTOTUNE_DONE              = _UxGT("PID tuning done");
-  LSTR MSG_PID_BAD_EXTRUDER_NUM           = _UxGT("Autotune failed. Bad extruder.");
-  LSTR MSG_PID_TEMP_TOO_HIGH              = _UxGT("Autotune failed. Temperature too high.");
+  LSTR MSG_PID_BAD_EXTRUDER_NUM           = _UxGT("Autotune failed! Bad extruder.");
+  LSTR MSG_PID_TEMP_TOO_HIGH              = _UxGT("Autotune failed! Temperature too high.");
   LSTR MSG_PID_TIMEOUT                    = _UxGT("Autotune failed! Timeout.");
   LSTR MSG_SELECT                         = _UxGT("Select");
   LSTR MSG_SELECT_E                       = _UxGT("Select *");
diff --git a/Marlin/src/lcd/language/language_ru.h b/Marlin/src/lcd/language/language_ru.h
index 4b52c92608..4b8d4703e4 100644
--- a/Marlin/src/lcd/language/language_ru.h
+++ b/Marlin/src/lcd/language/language_ru.h
@@ -390,8 +390,8 @@ namespace Language_ru {
   LSTR MSG_PID_AUTOTUNE                     = _UxGT("Автоподбор PID");
   LSTR MSG_PID_AUTOTUNE_E                   = _UxGT("Автоподбор PID *");
   LSTR MSG_PID_AUTOTUNE_DONE                = _UxGT("Подбор PID выполнен");
-  LSTR MSG_PID_BAD_EXTRUDER_NUM             = _UxGT("Сбой автоподбора. Плохой экструдер.");
-  LSTR MSG_PID_TEMP_TOO_HIGH                = _UxGT("Сбой автоподбора. Температура повышена.");
+  LSTR MSG_PID_BAD_EXTRUDER_NUM             = _UxGT("Сбой автоподбора! Плохой экструдер.");
+  LSTR MSG_PID_TEMP_TOO_HIGH                = _UxGT("Сбой автоподбора! Температура повышена.");
   LSTR MSG_PID_TIMEOUT                      = _UxGT("Сбой автоподбора! Завершение времени.");
 
   LSTR MSG_SELECT                           = _UxGT("Выбор");
diff --git a/Marlin/src/lcd/language/language_sk.h b/Marlin/src/lcd/language/language_sk.h
index 80cca911e5..7ba505ede5 100644
--- a/Marlin/src/lcd/language/language_sk.h
+++ b/Marlin/src/lcd/language/language_sk.h
@@ -337,8 +337,8 @@ namespace Language_sk {
   LSTR MSG_PID_AUTOTUNE_E                 = _UxGT("Kalibrácia PID *");
   LSTR MSG_PID_CYCLE                      = _UxGT("Cykly PID");
   LSTR MSG_PID_AUTOTUNE_DONE              = _UxGT("Kal. PID dokončená");
-  LSTR MSG_PID_BAD_EXTRUDER_NUM           = _UxGT("Auto-kal. zlyhala. Zlý extrúder.");
-  LSTR MSG_PID_TEMP_TOO_HIGH              = _UxGT("Auto-kal. zlyhala. Príliš vysoká tepl.");
+  LSTR MSG_PID_BAD_EXTRUDER_NUM           = _UxGT("Auto-kal. zlyhala! Zlý extrúder.");
+  LSTR MSG_PID_TEMP_TOO_HIGH              = _UxGT("Auto-kal. zlyhala! Príliš vysoká tepl.");
   LSTR MSG_PID_TIMEOUT                    = _UxGT("Auto-kal. zlyhala! Čas vypršal.");
   LSTR MSG_SELECT                         = _UxGT("Vybrať");
   LSTR MSG_SELECT_E                       = _UxGT("Vybrať *");
diff --git a/Marlin/src/lcd/language/language_sv.h b/Marlin/src/lcd/language/language_sv.h
index c077da1e69..db2196fa46 100644
--- a/Marlin/src/lcd/language/language_sv.h
+++ b/Marlin/src/lcd/language/language_sv.h
@@ -290,8 +290,8 @@ namespace Language_sv {
   LSTR MSG_PID_AUTOTUNE                   = _UxGT("PID Autojustera");
   LSTR MSG_PID_AUTOTUNE_E                 = _UxGT("PID Autojustera *");
   LSTR MSG_PID_AUTOTUNE_DONE              = _UxGT("PID tuning done");
-  LSTR MSG_PID_BAD_EXTRUDER_NUM           = _UxGT("Autojustera misslyckad. Dålig extruder.");
-  LSTR MSG_PID_TEMP_TOO_HIGH              = _UxGT("Autojustera misslyckad. Temperatur för hög.");
+  LSTR MSG_PID_BAD_EXTRUDER_NUM           = _UxGT("Autojustera misslyckad! Dålig extruder.");
+  LSTR MSG_PID_TEMP_TOO_HIGH              = _UxGT("Autojustera misslyckad! Temperatur för hög.");
   LSTR MSG_PID_TIMEOUT                    = _UxGT("Autojustera misslyckad! Tidsgräns.");
   LSTR MSG_SELECT                         = _UxGT("Välj");
   LSTR MSG_SELECT_E                       = _UxGT("Välj *");
diff --git a/Marlin/src/lcd/language/language_uk.h b/Marlin/src/lcd/language/language_uk.h
index 892eb57cf6..bfb74b9f6e 100644
--- a/Marlin/src/lcd/language/language_uk.h
+++ b/Marlin/src/lcd/language/language_uk.h
@@ -395,8 +395,8 @@ namespace Language_uk {
   LSTR MSG_PID_AUTOTUNE                     = _UxGT("Автопідбір PID");
   LSTR MSG_PID_AUTOTUNE_E                   = _UxGT("Автопідбір PID *");
   LSTR MSG_PID_AUTOTUNE_DONE                = _UxGT("Підбір PID виконано");
-  LSTR MSG_PID_BAD_EXTRUDER_NUM             = _UxGT("Збій автопідбору. Поганий екструдер.");
-  LSTR MSG_PID_TEMP_TOO_HIGH                = _UxGT("Збій автопідбору. Температура завищена.");
+  LSTR MSG_PID_BAD_EXTRUDER_NUM             = _UxGT("Збій автопідбору! Поганий екструдер.");
+  LSTR MSG_PID_TEMP_TOO_HIGH                = _UxGT("Збій автопідбору! Температура завищена.");
   LSTR MSG_PID_TIMEOUT                      = _UxGT("Збій автопідбору! Вичерпан час.");
 
   LSTR MSG_SELECT                           = _UxGT("Вибрати");
diff --git a/Marlin/src/lcd/language/language_zh_CN.h b/Marlin/src/lcd/language/language_zh_CN.h
index e947cee661..f2d348b396 100644
--- a/Marlin/src/lcd/language/language_zh_CN.h
+++ b/Marlin/src/lcd/language/language_zh_CN.h
@@ -260,8 +260,8 @@ namespace Language_zh_CN {
   LSTR MSG_PID_AUTOTUNE                   = _UxGT("自动PID");
   LSTR MSG_PID_AUTOTUNE_E                 = _UxGT("自动PID *");
   LSTR MSG_PID_AUTOTUNE_DONE              = _UxGT("PID调整完成");
-  LSTR MSG_PID_BAD_EXTRUDER_NUM           = _UxGT("自动调失败. 坏的挤出机");
-  LSTR MSG_PID_TEMP_TOO_HIGH              = _UxGT("自动调失败. 温度太高");
+  LSTR MSG_PID_BAD_EXTRUDER_NUM           = _UxGT("自动调失败! 坏的挤出机");
+  LSTR MSG_PID_TEMP_TOO_HIGH              = _UxGT("自动调失败! 温度太高");
   LSTR MSG_PID_TIMEOUT                    = _UxGT("自动调失败! 超时");
   LSTR MSG_SELECT                         = _UxGT("选择");     // "Select"
   LSTR MSG_SELECT_E                       = _UxGT("选择 *");
diff --git a/Marlin/src/lcd/menu/menu.cpp b/Marlin/src/lcd/menu/menu.cpp
index bcdff450bd..d56bc9b5ff 100644
--- a/Marlin/src/lcd/menu/menu.cpp
+++ b/Marlin/src/lcd/menu/menu.cpp
@@ -163,10 +163,6 @@ void MenuEditItemBase::goto_edit_screen(
 
 #include "../../MarlinCore.h"
 
-bool printer_busy() {
-  return planner.movesplanned() || printingIsActive();
-}
-
 /**
  * General function to go directly to a screen
  */
diff --git a/Marlin/src/lcd/menu/menu.h b/Marlin/src/lcd/menu/menu.h
index b111236d69..288dd5be2f 100644
--- a/Marlin/src/lcd/menu/menu.h
+++ b/Marlin/src/lcd/menu/menu.h
@@ -30,7 +30,6 @@
 extern int8_t encoderLine, encoderTopLine, screen_items;
 
 void scroll_screen(const uint8_t limit, const bool is_menu);
-bool printer_busy();
 
 typedef void (*selectFunc_t)();
 
diff --git a/Marlin/src/lcd/menu/menu_advanced.cpp b/Marlin/src/lcd/menu/menu_advanced.cpp
index 184ff8cf8e..a0c03fafeb 100644
--- a/Marlin/src/lcd/menu/menu_advanced.cpp
+++ b/Marlin/src/lcd/menu/menu_advanced.cpp
@@ -29,6 +29,7 @@
 #if HAS_MARLINUI_MENU
 
 #include "menu_item.h"
+#include "../../MarlinCore.h"
 #include "../../module/planner.h"
 
 #if DISABLED(NO_VOLUMETRICS)
diff --git a/Marlin/src/lcd/menu/menu_bed_leveling.cpp b/Marlin/src/lcd/menu/menu_bed_leveling.cpp
index a47e2517ae..f6add52f57 100644
--- a/Marlin/src/lcd/menu/menu_bed_leveling.cpp
+++ b/Marlin/src/lcd/menu/menu_bed_leveling.cpp
@@ -230,7 +230,7 @@
  *    Mesh Z Offset: ---  (Req: MESH_BED_LEVELING)
  *    Z Probe Offset: --- (Req: HAS_BED_PROBE, Opt: BABYSTEP_ZPROBE_OFFSET)
  *    Level Bed >
- *    Level Corners >     (if homed)
+ *    Bed Tramming >      (if homed)
  *    Load Settings       (Req: EEPROM_SETTINGS)
  *    Save Settings       (Req: EEPROM_SETTINGS)
  */
diff --git a/Marlin/src/lcd/menu/menu_configuration.cpp b/Marlin/src/lcd/menu/menu_configuration.cpp
index c66df85024..0f92ef8bd5 100644
--- a/Marlin/src/lcd/menu/menu_configuration.cpp
+++ b/Marlin/src/lcd/menu/menu_configuration.cpp
@@ -30,6 +30,8 @@
 
 #include "menu_item.h"
 
+#include "../../MarlinCore.h"
+
 #if HAS_FILAMENT_SENSOR
   #include "../../feature/runout.h"
 #endif
diff --git a/Marlin/src/lcd/menu/menu_filament.cpp b/Marlin/src/lcd/menu/menu_filament.cpp
index 9f432c405c..03ac6e512c 100644
--- a/Marlin/src/lcd/menu/menu_filament.cpp
+++ b/Marlin/src/lcd/menu/menu_filament.cpp
@@ -35,6 +35,9 @@
 #if HAS_FILAMENT_SENSOR
   #include "../../feature/runout.h"
 #endif
+#if ENABLED(FILAMENT_LOAD_UNLOAD_GCODES)
+  #include "../../MarlinCore.h"
+#endif
 
 //
 // Change Filament > Change/Unload/Load Filament
diff --git a/Marlin/src/lcd/menu/menu_tramming.cpp b/Marlin/src/lcd/menu/menu_tramming.cpp
index 7c241e09ec..cd7a4c677a 100644
--- a/Marlin/src/lcd/menu/menu_tramming.cpp
+++ b/Marlin/src/lcd/menu/menu_tramming.cpp
@@ -44,7 +44,7 @@
 #include "../../core/debug_out.h"
 
 static float z_measured[G35_PROBE_COUNT];
-static bool z_isvalid[G35_PROBE_COUNT];
+static Flags<G35_PROBE_COUNT> z_isvalid;
 static uint8_t tram_index = 0;
 static int8_t reference_index; // = 0
 
@@ -61,7 +61,10 @@ static bool probe_single_point() {
   move_to_tramming_wait_pos();
 
   DEBUG_ECHOLNPGM("probe_single_point(", tram_index, ") = ", z_probed_height, "mm");
-  return (z_isvalid[tram_index] = !isnan(z_probed_height));
+
+  const bool v = !isnan(z_probed_height);
+  z_isvalid.set(tram_index, v);
+  return v;
 }
 
 static void _menu_single_probe() {
@@ -95,7 +98,7 @@ void goto_tramming_wizard() {
   ui.defer_status_screen();
 
   // Initialize measured point flags
-  ZERO(z_isvalid);
+  z_isvalid.reset();
   reference_index = -1;
 
   // Inject G28, wait for homing to complete,
diff --git a/Marlin/src/libs/BL24CXX.cpp b/Marlin/src/libs/BL24CXX.cpp
index 6407fac670..4b5a23e4c5 100644
--- a/Marlin/src/libs/BL24CXX.cpp
+++ b/Marlin/src/libs/BL24CXX.cpp
@@ -48,17 +48,17 @@
 #ifdef __STM32F1__
   #define SDA_IN()  do{ PIN_MAP[IIC_EEPROM_SDA].gpio_device->regs->CRH &= 0XFFFF0FFF; PIN_MAP[IIC_EEPROM_SDA].gpio_device->regs->CRH |= 8 << 12; }while(0)
   #define SDA_OUT() do{ PIN_MAP[IIC_EEPROM_SDA].gpio_device->regs->CRH &= 0XFFFF0FFF; PIN_MAP[IIC_EEPROM_SDA].gpio_device->regs->CRH |= 3 << 12; }while(0)
-#elif STM32F1
+#elif defined(STM32F1) || defined(STM32F4)
   #define SDA_IN()  SET_INPUT(IIC_EEPROM_SDA)
   #define SDA_OUT() SET_OUTPUT(IIC_EEPROM_SDA)
 #endif
 
 // IO ops
-#define IIC_SCL_0()   WRITE(IIC_EEPROM_SCL, LOW)
-#define IIC_SCL_1()   WRITE(IIC_EEPROM_SCL, HIGH)
-#define IIC_SDA_0()   WRITE(IIC_EEPROM_SDA, LOW)
-#define IIC_SDA_1()   WRITE(IIC_EEPROM_SDA, HIGH)
-#define READ_SDA()    READ(IIC_EEPROM_SDA)
+#define IIC_SCL_0() WRITE(IIC_EEPROM_SCL, LOW)
+#define IIC_SCL_1() WRITE(IIC_EEPROM_SCL, HIGH)
+#define IIC_SDA_0() WRITE(IIC_EEPROM_SDA, LOW)
+#define IIC_SDA_1() WRITE(IIC_EEPROM_SDA, HIGH)
+#define READ_SDA()  READ(IIC_EEPROM_SDA)
 
 //
 // Simple IIC interface via libmaple
diff --git a/Marlin/src/module/planner.cpp b/Marlin/src/module/planner.cpp
index 6d5c94ebb7..672ca2dde3 100644
--- a/Marlin/src/module/planner.cpp
+++ b/Marlin/src/module/planner.cpp
@@ -2473,7 +2473,7 @@ bool Planner::_populate_block(block_t * const block, bool split_move,
   block->acceleration_steps_per_s2 = accel;
   block->acceleration = accel / steps_per_mm;
   #if DISABLED(S_CURVE_ACCELERATION)
-    block->acceleration_rate = (uint32_t)(accel * (float(1 << 24) / (STEPPER_TIMER_RATE)));
+    block->acceleration_rate = (uint32_t)(accel * (float(1UL << 24) / (STEPPER_TIMER_RATE)));
   #endif
   #if ENABLED(LIN_ADVANCE)
     if (block->use_advance_lead) {
diff --git a/Marlin/src/module/settings.cpp b/Marlin/src/module/settings.cpp
index 6a79c7e67d..656d38eb28 100644
--- a/Marlin/src/module/settings.cpp
+++ b/Marlin/src/module/settings.cpp
@@ -178,11 +178,12 @@
 #endif
 
 #define _EN_ITEM(N) , E##N
+#define _EN1_ITEM(N) , E##N:1
 
-typedef struct { uint16_t LINEAR_AXIS_LIST(X, Y, Z, I, J, K), X2, Y2, Z2, Z3, Z4 REPEAT(E_STEPPERS, _EN_ITEM); } tmc_stepper_current_t;
-typedef struct { uint32_t LINEAR_AXIS_LIST(X, Y, Z, I, J, K), X2, Y2, Z2, Z3, Z4 REPEAT(E_STEPPERS, _EN_ITEM); } tmc_hybrid_threshold_t;
-typedef struct {  int16_t LINEAR_AXIS_LIST(X, Y, Z, I, J, K), X2, Y2, Z2, Z3, Z4;                              } tmc_sgt_t;
-typedef struct {     bool LINEAR_AXIS_LIST(X, Y, Z, I, J, K), X2, Y2, Z2, Z3, Z4 REPEAT(E_STEPPERS, _EN_ITEM); } tmc_stealth_enabled_t;
+typedef struct { uint16_t LINEAR_AXIS_LIST(X, Y, Z, I, J, K), X2, Y2, Z2, Z3, Z4 REPEAT(E_STEPPERS, _EN_ITEM); } per_stepper_uint16_t;
+typedef struct { uint32_t LINEAR_AXIS_LIST(X, Y, Z, I, J, K), X2, Y2, Z2, Z3, Z4 REPEAT(E_STEPPERS, _EN_ITEM); } per_stepper_uint32_t;
+typedef struct {  int16_t LINEAR_AXIS_LIST(X, Y, Z, I, J, K), X2, Y2, Z2, Z3, Z4;                              } mot_stepper_int16_t;
+typedef struct {     bool LINEAR_AXIS_LIST(X:1, Y:1, Z:1, I:1, J:1, K:1), X2:1, Y2:1, Z2:1, Z3:1, Z4:1 REPEAT(E_STEPPERS, _EN1_ITEM); } per_stepper_bool_t;
 
 #undef _EN_ITEM
 
@@ -430,10 +431,10 @@ typedef struct SettingsDataStruct {
   //
   // HAS_TRINAMIC_CONFIG
   //
-  tmc_stepper_current_t tmc_stepper_current;            // M906 X Y Z...
-  tmc_hybrid_threshold_t tmc_hybrid_threshold;          // M913 X Y Z...
-  tmc_sgt_t tmc_sgt;                                    // M914 X Y Z...
-  tmc_stealth_enabled_t tmc_stealth_enabled;            // M569 X Y Z...
+  per_stepper_uint16_t tmc_stepper_current;             // M906 X Y Z...
+  per_stepper_uint32_t tmc_hybrid_threshold;            // M913 X Y Z...
+  mot_stepper_int16_t tmc_sgt;                          // M914 X Y Z...
+  per_stepper_bool_t tmc_stealth_enabled;               // M569 X Y Z...
 
   //
   // LIN_ADVANCE
@@ -1213,7 +1214,7 @@ void MarlinSettings::postprocess() {
     {
       _FIELD_TEST(tmc_stepper_current);
 
-      tmc_stepper_current_t tmc_stepper_current{0};
+      per_stepper_uint16_t tmc_stepper_current{0};
 
       #if HAS_TRINAMIC_CONFIG
         #if AXIS_IS_TMC(X)
@@ -1284,7 +1285,7 @@ void MarlinSettings::postprocess() {
       _FIELD_TEST(tmc_hybrid_threshold);
 
       #if ENABLED(HYBRID_THRESHOLD)
-        tmc_hybrid_threshold_t tmc_hybrid_threshold{0};
+        per_stepper_uint32_t tmc_hybrid_threshold{0};
         TERN_(X_HAS_STEALTHCHOP,  tmc_hybrid_threshold.X =  stepperX.get_pwm_thrs());
         TERN_(Y_HAS_STEALTHCHOP,  tmc_hybrid_threshold.Y =  stepperY.get_pwm_thrs());
         TERN_(Z_HAS_STEALTHCHOP,  tmc_hybrid_threshold.Z =  stepperZ.get_pwm_thrs());
@@ -1306,7 +1307,7 @@ void MarlinSettings::postprocess() {
         TERN_(E7_HAS_STEALTHCHOP, tmc_hybrid_threshold.E7 = stepperE7.get_pwm_thrs());
       #else
         #define _EN_ITEM(N) , .E##N =  30
-        const tmc_hybrid_threshold_t tmc_hybrid_threshold = {
+        const per_stepper_uint32_t tmc_hybrid_threshold = {
           LINEAR_AXIS_LIST(.X = 100, .Y = 100, .Z = 3, .I = 3, .J = 3, .K = 3),
           .X2 = 100, .Y2 = 100, .Z2 = 3, .Z3 = 3, .Z4 = 3
           REPEAT(E_STEPPERS, _EN_ITEM)
@@ -1320,7 +1321,7 @@ void MarlinSettings::postprocess() {
     // TMC StallGuard threshold
     //
     {
-      tmc_sgt_t tmc_sgt{0};
+      mot_stepper_int16_t tmc_sgt{0};
       #if USE_SENSORLESS
         LINEAR_AXIS_CODE(
           TERN_(X_SENSORLESS, tmc_sgt.X = stepperX.homing_threshold()),
@@ -1345,7 +1346,7 @@ void MarlinSettings::postprocess() {
     {
       _FIELD_TEST(tmc_stealth_enabled);
 
-      tmc_stealth_enabled_t tmc_stealth_enabled = { false };
+      per_stepper_bool_t tmc_stealth_enabled = { false };
       TERN_(X_HAS_STEALTHCHOP,  tmc_stealth_enabled.X  = stepperX.get_stored_stealthChop());
       TERN_(Y_HAS_STEALTHCHOP,  tmc_stealth_enabled.Y  = stepperY.get_stored_stealthChop());
       TERN_(Z_HAS_STEALTHCHOP,  tmc_stealth_enabled.Z  = stepperZ.get_stored_stealthChop());
@@ -1477,7 +1478,7 @@ void MarlinSettings::postprocess() {
     {
       _FIELD_TEST(dwin_data);
       char dwin_data[eeprom_data_size] = { 0 };
-      DWIN_StoreSettings(dwin_data);
+      DWIN_CopySettingsTo(dwin_data);
       EEPROM_WRITE(dwin_data);
     }
     #endif
@@ -2135,7 +2136,7 @@ void MarlinSettings::postprocess() {
       {
         _FIELD_TEST(tmc_stepper_current);
 
-        tmc_stepper_current_t currents;
+        per_stepper_uint16_t currents;
         EEPROM_READ(currents);
 
         #if HAS_TRINAMIC_CONFIG
@@ -2205,7 +2206,7 @@ void MarlinSettings::postprocess() {
 
       // TMC Hybrid Threshold
       {
-        tmc_hybrid_threshold_t tmc_hybrid_threshold;
+        per_stepper_uint32_t tmc_hybrid_threshold;
         _FIELD_TEST(tmc_hybrid_threshold);
         EEPROM_READ(tmc_hybrid_threshold);
 
@@ -2238,7 +2239,7 @@ void MarlinSettings::postprocess() {
       // TMC StallGuard threshold.
       //
       {
-        tmc_sgt_t tmc_sgt;
+        mot_stepper_int16_t tmc_sgt;
         _FIELD_TEST(tmc_sgt);
         EEPROM_READ(tmc_sgt);
         #if USE_SENSORLESS
@@ -2264,7 +2265,7 @@ void MarlinSettings::postprocess() {
       {
         _FIELD_TEST(tmc_stealth_enabled);
 
-        tmc_stealth_enabled_t tmc_stealth_enabled;
+        per_stepper_bool_t tmc_stealth_enabled;
         EEPROM_READ(tmc_stealth_enabled);
 
         #if HAS_TRINAMIC_CONFIG
@@ -2425,7 +2426,7 @@ void MarlinSettings::postprocess() {
         const char dwin_data[eeprom_data_size] = { 0 };
         _FIELD_TEST(dwin_data);
         EEPROM_READ(dwin_data);
-        if (!validating) DWIN_LoadSettings(dwin_data);
+        if (!validating) DWIN_CopySettingsFrom(dwin_data);
       }
       #elif ENABLED(DWIN_CREALITY_LCD_JYERSUI)
       {
@@ -2842,7 +2843,6 @@ void MarlinSettings::reset() {
     #endif
   #endif
 
-  TERN_(DWIN_LCD_PROUI, DWIN_SetDataDefaults());
   TERN_(DWIN_CREALITY_LCD_JYERSUI, CrealityDWIN.Reset_Settings());
 
   //
@@ -3213,6 +3213,11 @@ void MarlinSettings::reset() {
   //
   TERN_(DGUS_LCD_UI_MKS, MKS_reset_settings());
 
+  //
+  // Ender-3 V2 with ProUI
+  //
+  TERN_(DWIN_LCD_PROUI, DWIN_SetDataDefaults());
+
   postprocess();
 
   #if EITHER(EEPROM_CHITCHAT, DEBUG_LEVELING_FEATURE)
diff --git a/Marlin/src/module/stepper.cpp b/Marlin/src/module/stepper.cpp
index 09d99e8965..1821043647 100644
--- a/Marlin/src/module/stepper.cpp
+++ b/Marlin/src/module/stepper.cpp
@@ -84,7 +84,7 @@ Stepper stepper; // Singleton
 #define BABYSTEPPING_EXTRA_DIR_WAIT
 
 #ifdef __AVR__
-  #include "speed_lookuptable.h"
+  #include "stepper/speed_lookuptable.h"
 #endif
 
 #include "endstops.h"
@@ -153,7 +153,7 @@ Stepper stepper; // Singleton
   #endif
 #endif
 
-axis_flags_t Stepper::axis_enabled; // {0}
+stepper_flags_t Stepper::axis_enabled; // {0}
 
 // private:
 
diff --git a/Marlin/src/module/stepper.h b/Marlin/src/module/stepper.h
index 4c9fbb9556..942b8cc793 100644
--- a/Marlin/src/module/stepper.h
+++ b/Marlin/src/module/stepper.h
@@ -46,7 +46,7 @@
 #include "planner.h"
 #include "stepper/indirection.h"
 #ifdef __AVR__
-  #include "speed_lookuptable.h"
+  #include "stepper/speed_lookuptable.h"
 #endif
 
 // Disable multiple steps per ISR
@@ -252,7 +252,7 @@ typedef struct {
   };
   constexpr ena_mask_t linear_bits() { return _BV(LINEAR_AXES) - 1; }
   constexpr ena_mask_t e_bits() { return (_BV(EXTRUDERS) - 1) << LINEAR_AXES; }
-} axis_flags_t;
+} stepper_flags_t;
 
 // All the stepper enable pins
 constexpr pin_t ena_pins[] = {
@@ -587,7 +587,7 @@ class Stepper {
       static void refresh_motor_power();
     #endif
 
-    static axis_flags_t axis_enabled;   // Axis stepper(s) ENABLED states
+    static stepper_flags_t axis_enabled;  // Axis stepper(s) ENABLED states
 
     static bool axis_is_enabled(const AxisEnum axis E_OPTARG(const uint8_t eindex=0)) {
       return TEST(axis_enabled.bits, INDEX_OF_AXIS(axis, eindex));
diff --git a/Marlin/src/module/speed_lookuptable.h b/Marlin/src/module/stepper/speed_lookuptable.h
similarity index 100%
rename from Marlin/src/module/speed_lookuptable.h
rename to Marlin/src/module/stepper/speed_lookuptable.h
diff --git a/Marlin/src/module/temperature.cpp b/Marlin/src/module/temperature.cpp
index 89941fe1d1..b9d24963b8 100644
--- a/Marlin/src/module/temperature.cpp
+++ b/Marlin/src/module/temperature.cpp
@@ -1092,7 +1092,7 @@ void Temperature::min_temp_error(const heater_id_t heater_id) {
         static hotend_pid_t work_pid[HOTENDS];
         static float temp_iState[HOTENDS] = { 0 },
                      temp_dState[HOTENDS] = { 0 };
-        static bool pid_reset[HOTENDS] = { false };
+        static Flags<HOTENDS> pid_reset;
         const float pid_error = temp_hotend[ee].target - temp_hotend[ee].celsius;
 
         float pid_output;
@@ -1102,17 +1102,17 @@ void Temperature::min_temp_error(const heater_id_t heater_id) {
           || TERN0(HEATER_IDLE_HANDLER, heater_idle[ee].timed_out)
         ) {
           pid_output = 0;
-          pid_reset[ee] = true;
+          pid_reset.set(ee);
         }
         else if (pid_error > PID_FUNCTIONAL_RANGE) {
           pid_output = BANG_MAX;
-          pid_reset[ee] = true;
+          pid_reset.set(ee);
         }
         else {
           if (pid_reset[ee]) {
             temp_iState[ee] = 0.0;
             work_pid[ee].Kd = 0.0;
-            pid_reset[ee] = false;
+            pid_reset.clear(ee);
           }
 
           work_pid[ee].Kd = work_pid[ee].Kd + PID_K2 * (PID_PARAM(Kd, ee) * (temp_dState[ee] - temp_hotend[ee].celsius) - work_pid[ee].Kd);
diff --git a/Marlin/src/module/tool_change.cpp b/Marlin/src/module/tool_change.cpp
index 26815642db..0142428bc3 100644
--- a/Marlin/src/module/tool_change.cpp
+++ b/Marlin/src/module/tool_change.cpp
@@ -46,7 +46,7 @@
 #endif
 
 #if ENABLED(TOOLCHANGE_FS_INIT_BEFORE_SWAP)
-  bool toolchange_extruder_ready[EXTRUDERS];
+  Flags<EXTRUDERS> toolchange_extruder_ready;
 #endif
 
 #if EITHER(MAGNETIC_PARKING_EXTRUDER, TOOL_SENSOR) \
@@ -1047,7 +1047,7 @@ void tool_change(const uint8_t new_tool, bool no_move/*=false*/) {
       if (new_tool == old_tool && !first_tool_is_primed && enable_first_prime) {
         tool_change_prime();
         first_tool_is_primed = true;
-        TERN_(TOOLCHANGE_FS_INIT_BEFORE_SWAP, toolchange_extruder_ready[old_tool] = true); // Primed and initialized
+        TERN_(TOOLCHANGE_FS_INIT_BEFORE_SWAP, toolchange_extruder_ready.set(old_tool)); // Primed and initialized
       }
     #endif
 
@@ -1196,7 +1196,7 @@ void tool_change(const uint8_t new_tool, bool no_move/*=false*/) {
 
             #if ENABLED(TOOLCHANGE_FS_INIT_BEFORE_SWAP)
               if (!toolchange_extruder_ready[new_tool]) {
-                toolchange_extruder_ready[new_tool] = true;
+                toolchange_extruder_ready.set(new_tool);
                 fr = toolchange_settings.prime_speed;       // Next move is a prime
                 unscaled_e_move(0, MMM_TO_MMS(fr));         // Init planner with 0 length move
               }
@@ -1381,7 +1381,7 @@ void tool_change(const uint8_t new_tool, bool no_move/*=false*/) {
 
     // Migrate the retracted state
     #if ENABLED(FWRETRACT)
-      fwretract.retracted[migration_extruder] = fwretract.retracted[active_extruder];
+      fwretract.retracted.set(migration_extruder, fwretract.retracted[active_extruder]);
     #endif
 
     // Migrate the temperature to the new hotend
diff --git a/Marlin/src/module/tool_change.h b/Marlin/src/module/tool_change.h
index bbdc0b6862..73798265ed 100644
--- a/Marlin/src/module/tool_change.h
+++ b/Marlin/src/module/tool_change.h
@@ -50,7 +50,7 @@
   #endif
 
   #if ENABLED(TOOLCHANGE_FS_INIT_BEFORE_SWAP)
-    extern bool toolchange_extruder_ready[EXTRUDERS];
+    extern Flags<EXTRUDERS> toolchange_extruder_ready;
   #endif
 
   #if ENABLED(TOOLCHANGE_MIGRATION_FEATURE)
diff --git a/Marlin/src/pins/lpc1769/pins_MKS_SGEN_L_V2.h b/Marlin/src/pins/lpc1769/pins_MKS_SGEN_L_V2.h
index 0c001e6061..13ebbe1f28 100644
--- a/Marlin/src/pins/lpc1769/pins_MKS_SGEN_L_V2.h
+++ b/Marlin/src/pins/lpc1769/pins_MKS_SGEN_L_V2.h
@@ -36,9 +36,7 @@
 // EEPROM, MKS SGEN_L V2.0 hardware has 4K EEPROM on the board
 //
 #if NO_EEPROM_SELECTED
-  //#define SDCARD_EEPROM_EMULATION
-  //#define I2C_EEPROM                            // AT24C32
-  #define FLASH_EEPROM_EMULATION
+  #define I2C_EEPROM                              // AT24C32
   #define MARLIN_EEPROM_SIZE              0x1000  // 4K
 #endif
 
@@ -103,6 +101,12 @@
   #define Z_MIN_PROBE_PIN                  P1_24
 #endif
 
+//
+// Filament Runout Sensor
+//
+#define FIL_RUNOUT_PIN                     P1_28  // X+
+#define FIL_RUNOUT2_PIN                    P1_26  // Y+
+
 //
 // Steppers
 //
@@ -203,6 +207,14 @@
 #define TEMP_1_PIN                      P0_25_A2  // Analog Input A2 (TH2)
 #define TEMP_2_PIN                      P0_26_A3  // Analog Input A3 (P0.26, No pull up)
 
+#if HOTENDS == 1 && !REDUNDANT_TEMP_MATCH(SOURCE, E1)
+  #if TEMP_SENSOR_PROBE
+    #define TEMP_PROBE_PIN            TEMP_1_PIN
+  #elif TEMP_SENSOR_CHAMBER
+    #define TEMP_CHAMBER_PIN          TEMP_1_PIN
+  #endif
+#endif
+
 //
 // Heaters / Fans
 //
diff --git a/Marlin/src/pins/mega/pins_GT2560_V3_MC2.h b/Marlin/src/pins/mega/pins_GT2560_V3_MC2.h
index 6b22b4139b..e683d4dfda 100644
--- a/Marlin/src/pins/mega/pins_GT2560_V3_MC2.h
+++ b/Marlin/src/pins/mega/pins_GT2560_V3_MC2.h
@@ -27,9 +27,9 @@
 
 #define BOARD_INFO_NAME "GT2560 V3.0 (MC2)"
 
-#define X_MIN_PIN                            22
-#define X_MAX_PIN                            24
-#define Y_MIN_PIN                            26
-#define Y_MAX_PIN                            28
+#define X_MIN_PIN                             22
+#define X_MAX_PIN                             24
+#define Y_MIN_PIN                             26
+#define Y_MAX_PIN                             28
 
 #include "pins_GT2560_V3.h"
diff --git a/Marlin/src/pins/mega/pins_MIGHTYBOARD_REVE.h b/Marlin/src/pins/mega/pins_MIGHTYBOARD_REVE.h
index 13ffc94486..c44b1f449c 100644
--- a/Marlin/src/pins/mega/pins_MIGHTYBOARD_REVE.h
+++ b/Marlin/src/pins/mega/pins_MIGHTYBOARD_REVE.h
@@ -166,19 +166,23 @@
 #ifndef E0_AUTO_FAN_PIN
   #define E0_AUTO_FAN_PIN           MOSFET_2_PIN
 #else
-  #define FAN_PIN                   MOSFET_2_PIN
+  #ifndef FAN_PIN
+    #define FAN_PIN                 MOSFET_2_PIN
+  #endif
 #endif
 // EX2 FAN (Automatic Fans are disabled by default in Configuration_adv.h - comment that out for auto fans)
 #ifndef E1_AUTO_FAN_PIN
   #define E1_AUTO_FAN_PIN           MOSFET_4_PIN
 #else
-  #define FAN1_PIN                  MOSFET_4_PIN
+  #ifndef FAN1_PIN
+    #define FAN1_PIN                MOSFET_4_PIN
+  #endif
 #endif
 
 //
 // Misc. Functions
 //
-#define LED_PIN                     MOSFET_6_PIN  // B7
+#define LED_PIN                               13  // B7
 #define CUTOFF_RESET_PIN                      16  // H1
 #define CUTOFF_TEST_PIN                       17  // H0
 #define CUTOFF_SR_CHECK_PIN                   70  // G4 (TOSC1)
diff --git a/Marlin/src/pins/pins.h b/Marlin/src/pins/pins.h
index 01e5ee41e3..5db9f71d10 100644
--- a/Marlin/src/pins/pins.h
+++ b/Marlin/src/pins/pins.h
@@ -583,6 +583,8 @@
   #include "stm32f1/pins_CREALITY_V24S1.h"      // STM32F1                                env:STM32F103RE_creality env:STM32F103RE_creality_xfer env:STM32F103RC_creality env:STM32F103RC_creality_xfer env:STM32F103RE_creality_maple
 #elif MB(CREALITY_V24S1_301)
   #include "stm32f1/pins_CREALITY_V24S1_301.h"  // STM32F1                                env:STM32F103RE_creality env:STM32F103RE_creality_xfer env:STM32F103RC_creality env:STM32F103RC_creality_xfer env:STM32F103RE_creality_maple
+#elif MB(CREALITY_V25S1)
+  #include "stm32f1/pins_CREALITY_V25S1.h"      // STM32F1                                env:STM32F103RE_creality_smartPro env:STM32F103RE_creality_smartPro_maple
 #elif MB(TRIGORILLA_PRO)
   #include "stm32f1/pins_TRIGORILLA_PRO.h"      // STM32F1                                env:trigorilla_pro env:trigorilla_pro_maple
 #elif MB(FLY_MINI)
@@ -693,6 +695,8 @@
   #include "stm32f4/pins_MKS_EAGLE.h"           // STM32F4                                env:mks_eagle
 #elif MB(ARTILLERY_RUBY)
   #include "stm32f4/pins_ARTILLERY_RUBY.h"      // STM32F4                                env:Artillery_Ruby
+#elif MB(CREALITY_V24S1_301F4)
+  #include "stm32f4/pins_CREALITY_V24S1_301F4.h" // STM32F4                               env:STM32F401RC_creality env:STM32F401RC_creality_jlink env:STM32F401RC_creality_stlink
 
 //
 // ARM Cortex M7
diff --git a/Marlin/src/pins/pins_postprocess.h b/Marlin/src/pins/pins_postprocess.h
index aabe0da858..1609c9c083 100644
--- a/Marlin/src/pins/pins_postprocess.h
+++ b/Marlin/src/pins/pins_postprocess.h
@@ -1319,6 +1319,9 @@
   #undef X_MAX_PIN
   #define X_MAX_PIN          -1
 #endif
+#if NONE(USE_XMIN_PLUG, USE_XMAX_PLUG)
+  #undef X_STOP_PIN
+#endif
 #if DISABLED(USE_YMIN_PLUG)
   #undef Y_MIN_PIN
   #define Y_MIN_PIN          -1
@@ -1327,6 +1330,9 @@
   #undef Y_MAX_PIN
   #define Y_MAX_PIN          -1
 #endif
+#if NONE(USE_YMIN_PLUG, USE_YMAX_PLUG)
+  #undef Y_STOP_PIN
+#endif
 #if DISABLED(USE_ZMIN_PLUG)
   #undef Z_MIN_PIN
   #define Z_MIN_PIN          -1
@@ -1335,6 +1341,9 @@
   #undef Z_MAX_PIN
   #define Z_MAX_PIN          -1
 #endif
+#if NONE(USE_ZMIN_PLUG, USE_ZMAX_PLUG)
+  #undef Z_STOP_PIN
+#endif
 #if DISABLED(USE_IMIN_PLUG)
   #undef I_MIN_PIN
   #define I_MIN_PIN          -1
@@ -1343,6 +1352,9 @@
   #undef I_MAX_PIN
   #define I_MAX_PIN          -1
 #endif
+#if NONE(USE_IMIN_PLUG, USE_IMAX_PLUG)
+  #undef I_STOP_PIN
+#endif
 #if DISABLED(USE_JMIN_PLUG)
   #undef J_MIN_PIN
   #define J_MIN_PIN          -1
@@ -1351,6 +1363,9 @@
   #undef J_MAX_PIN
   #define J_MAX_PIN          -1
 #endif
+#if NONE(USE_JMIN_PLUG, USE_JMAX_PLUG)
+  #undef J_STOP_PIN
+#endif
 #if DISABLED(USE_KMIN_PLUG)
   #undef K_MIN_PIN
   #define K_MIN_PIN          -1
@@ -1359,6 +1374,9 @@
   #undef K_MAX_PIN
   #define K_MAX_PIN          -1
 #endif
+#if NONE(USE_KMIN_PLUG, USE_KMAX_PLUG)
+  #undef K_STOP_PIN
+#endif
 
 #if DISABLED(X_DUAL_ENDSTOPS) || X_HOME_TO_MAX
   #undef X2_MIN_PIN
diff --git a/Marlin/src/pins/stm32f1/env_validate.h b/Marlin/src/pins/stm32f1/env_validate.h
index 2e7b785172..2d325428ac 100644
--- a/Marlin/src/pins/stm32f1/env_validate.h
+++ b/Marlin/src/pins/stm32f1/env_validate.h
@@ -22,5 +22,11 @@
 #pragma once
 
 #if NOT_TARGET(__STM32F1__, STM32F1)
-  #error "Oops! Select an STM32F1 board in 'Tools > Board.'"
+  #if DISABLED(ALLOW_STM32F4)
+    #error "Oops! Select an STM32F1 board in 'Tools > Board.'"
+  #elif NOT_TARGET(STM32F4)
+    #error "Oops! Select an STM32F4 board in 'Tools > Board.'"
+  #endif
 #endif
+
+#undef ALLOW_STM32F4
diff --git a/Marlin/src/pins/stm32f1/pins_CREALITY_V24S1.h b/Marlin/src/pins/stm32f1/pins_CREALITY_V24S1.h
index 9d7e0f695b..0d2ad835d3 100644
--- a/Marlin/src/pins/stm32f1/pins_CREALITY_V24S1.h
+++ b/Marlin/src/pins/stm32f1/pins_CREALITY_V24S1.h
@@ -22,7 +22,7 @@
 #pragma once
 
 /**
- * Creality v2.4.S1 (STM32F103RE / STM32F103RC) v101 as found in the Ender 7 board pin assignments
+ * Creality v2.4.S1 (STM32F103RE / STM32F103RC) v101 as found in the Ender 7
  */
 
 #define BOARD_INFO_NAME      "Creality v2.4.S1 V101"
diff --git a/Marlin/src/pins/stm32f1/pins_CREALITY_V24S1_301.h b/Marlin/src/pins/stm32f1/pins_CREALITY_V24S1_301.h
index fb7198e57c..66ee8af61b 100644
--- a/Marlin/src/pins/stm32f1/pins_CREALITY_V24S1_301.h
+++ b/Marlin/src/pins/stm32f1/pins_CREALITY_V24S1_301.h
@@ -22,7 +22,8 @@
 #pragma once
 
 /**
- * Creality V24S1_301 (STM32F103RE / STM32F103RC) board pin assignments as found on Ender 3 S1
+ * Creality V24S1_301 (STM32F103RE / STM32F103RC) board pin assignments as found on Ender 3 S1.
+ * Also supports the STM32F4 version of the board with identical pin mapping.
  */
 
 #include "env_validate.h"
@@ -35,8 +36,12 @@
   #error "Disable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN when using BLTOUCH with Creality V24S1-301."
 #endif
 
-#define BOARD_INFO_NAME      "Creality V24S1-301"
-#define DEFAULT_MACHINE_NAME "Ender 3 S1"
+#ifndef BOARD_INFO_NAME
+  #define BOARD_INFO_NAME      "Creality V24S1-301"
+#endif
+#ifndef DEFAULT_MACHINE_NAME
+  #define DEFAULT_MACHINE_NAME "Ender 3 S1"
+#endif
 
 //
 // Servos
@@ -70,8 +75,8 @@
 //
 // SD Card
 //
-#define ONBOARD_SPI_DEVICE                  1
-#define ONBOARD_SD_CS_PIN                   PA4  // SDSS
+#define ONBOARD_SPI_DEVICE                     1
+#define ONBOARD_SD_CS_PIN                   PA4   // SDSS
 
 //
 // M3/M4/M5 - Spindle/Laser Control
@@ -80,9 +85,10 @@
   //#define HEATER_0_PIN                    -1
   //#define HEATER_BED_PIN                  -1
   #define FAN_PIN                           -1
-  #define SPINDLE_LASER_ENA_PIN             PA0  // FET 1
-  #define SPINDLE_LASER_PWM_PIN             PA0  // Bed FET
-  #define SPINDLE_DIR_PIN                   PA0  // FET 4
+  #define SPINDLE_LASER_ENA_PIN             PC0   // FET 1
+  #define SPINDLE_LASER_PWM_PIN             PC0   // Bed FET
+  #define SPINDLE_DIR_PIN                   PC0   // FET 4
+  #define LASER_SOFT_PWM_PIN                PC0
 #endif
 
 #include "pins_CREALITY_V4.h"
diff --git a/Marlin/src/pins/stm32f1/pins_CREALITY_V25S1.h b/Marlin/src/pins/stm32f1/pins_CREALITY_V25S1.h
new file mode 100644
index 0000000000..0425a45d1d
--- /dev/null
+++ b/Marlin/src/pins/stm32f1/pins_CREALITY_V25S1.h
@@ -0,0 +1,152 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2022 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * Creality v2.5.S1 (STM32F103RE / STM32F103RC) as found in the CR-10 Smart Pro
+ */
+
+#include "env_validate.h"
+
+#if HAS_MULTI_HOTEND || E_STEPPERS > 1
+  #error "Creality V2.5.S1 only supports one hotend / E-stepper. Comment out this line to continue."
+#endif
+
+#define BOARD_INFO_NAME      "Creality v2.5.S1"
+#define DEFAULT_MACHINE_NAME "Creality3D"
+
+//
+// Release PB4 (Y_ENABLE_PIN) from JTAG NRST role
+//
+#define DISABLE_DEBUG
+
+//
+// EEPROM
+//
+#if NO_EEPROM_SELECTED
+  #define IIC_BL24CXX_EEPROM                      // EEPROM on I2C-0
+  //#define SDCARD_EEPROM_EMULATION
+  //#define FLASH_EEPROM_EMULATION
+#endif
+
+#if ENABLED(IIC_BL24CXX_EEPROM)
+  #define IIC_EEPROM_SDA                  PA11
+  #define IIC_EEPROM_SCL                  PA12
+  #define MARLIN_EEPROM_SIZE             0x800  // 2K (24C16)
+#elif EITHER(SDCARD_EEPROM_EMULATION, FLASH_EEPROM_EMULATION)
+  #define MARLIN_EEPROM_SIZE             0x800  // 2K
+#endif
+
+//
+// Limit Switches
+//
+#define X_STOP_PIN                          PC4
+#define Y_STOP_PIN                          PC5
+
+#if ENABLED(BLTOUCH)
+  #define Z_STOP_PIN                        -1
+  #define SERVO0_PIN                        PC14  // BLTouch OUT PIN
+  #ifndef Z_MIN_PROBE_PIN
+    #define Z_MIN_PROBE_PIN                 PC15  // BLTouch IN PIN
+  #endif
+#else
+  #define Z_STOP_PIN                        PC15
+  #if ENABLED(PROBE_ACTIVATION_SWITCH)
+    #define PROBE_TARE_PIN                  PC14
+    #define PROBE_ACTIVATION_SWITCH_PIN     PB2
+  #endif
+#endif
+
+//
+// Filament Runout Sensor
+//
+#if ENABLED(FILAMENT_RUNOUT_SENSOR)
+  #define FIL_RUNOUT_PIN                    PA15  // "Pulled-high"
+#endif
+
+//
+// Steppers
+//
+#define X_STEP_PIN                          PB8
+#define X_DIR_PIN                           PB7
+#define X_ENABLE_PIN                        PC3
+
+#define Y_STEP_PIN                          PB6
+#define Y_DIR_PIN                           PB5
+#define Y_ENABLE_PIN                X_ENABLE_PIN
+
+#define Z_STEP_PIN                          PB4
+#define Z_DIR_PIN                           PB3
+#define Z_ENABLE_PIN                X_ENABLE_PIN
+
+#define E0_STEP_PIN                         PC2
+#define E0_DIR_PIN                          PB9
+#define E0_ENABLE_PIN               X_ENABLE_PIN
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN                          PB1   // TH1
+#define TEMP_BED_PIN                        PB0   // TB1
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN                        PB14  // HEATER1
+#define HEATER_BED_PIN                      PB13  // HOT BED
+
+#define FAN_PIN                             PB15  // FAN
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN                   PC13  // FAN
+#endif
+#define FAN_SOFT_PWM_REQUIRED
+
+//
+// SD Card
+//
+#define SD_DETECT_PIN                       PC7
+#define SDCARD_CONNECTION                ONBOARD
+#define ON_BOARD_SPI_DEVICE                    1
+#define ONBOARD_SD_CS_PIN                   PC12  // SDSS
+#define SDIO_SUPPORT
+#define NO_SD_HOST_DRIVE                          // This board's SD is only seen by the printer
+
+//
+// Misc. Functions
+//
+#define CASE_LIGHT_PIN                      PA7
+
+//
+// Suicide Power
+//
+#define PS_ON_PIN                           PA0
+#define MOTOR_CIRCUIT_PIN                   PA1
+
+//
+// Motor Protect
+//
+#define MOTOR_PROTECT_PIN                   PC0
+
+//
+// WiFi Reset
+//
+#define RESET_WIFI_PIN                      PB12
diff --git a/Marlin/src/pins/stm32f1/pins_CREALITY_V4.h b/Marlin/src/pins/stm32f1/pins_CREALITY_V4.h
index b2534beab6..5552d19ab9 100644
--- a/Marlin/src/pins/stm32f1/pins_CREALITY_V4.h
+++ b/Marlin/src/pins/stm32f1/pins_CREALITY_V4.h
@@ -40,6 +40,13 @@
 
 #define BOARD_NO_NATIVE_USB
 
+//
+// Release PB4 (Y_ENABLE_PIN) from JTAG NRST role
+//
+#ifndef DISABLE_DEBUG
+  #define DISABLE_DEBUG
+#endif
+
 //
 // EEPROM
 //
@@ -122,11 +129,6 @@
 #endif
 #define E0_ENABLE_PIN               X_ENABLE_PIN
 
-//
-// Release PB4 (Y_ENABLE_PIN) from JTAG NRST role
-//
-#define DISABLE_DEBUG
-
 //
 // Temperature Sensors
 //
diff --git a/Marlin/src/pins/stm32f1/pins_CREALITY_V4210.h b/Marlin/src/pins/stm32f1/pins_CREALITY_V4210.h
index 87101ecccd..1c9a0a8f99 100644
--- a/Marlin/src/pins/stm32f1/pins_CREALITY_V4210.h
+++ b/Marlin/src/pins/stm32f1/pins_CREALITY_V4210.h
@@ -40,34 +40,24 @@
 
 #define BOARD_NO_NATIVE_USB
 
+//
+// Release PB4 (Y_ENABLE_PIN) from JTAG NRST role
+//
+#define DISABLE_DEBUG
+
 //
 // EEPROM
 //
 #if NO_EEPROM_SELECTED
-  // FLASH
-  //#define FLASH_EEPROM_EMULATION
-
-  // I2C
-  #define IIC_BL24CXX_EEPROM                      // EEPROM on I2C-0 used only for display settings
-  #if ENABLED(IIC_BL24CXX_EEPROM)
-    #define IIC_EEPROM_SDA                  PA11
-    #define IIC_EEPROM_SCL                  PA12
-    #define MARLIN_EEPROM_SIZE             0x800  // 2K (24C16)
-  #else
-    #define SDCARD_EEPROM_EMULATION               // SD EEPROM until all EEPROM is BL24CXX
-    #define MARLIN_EEPROM_SIZE             0x800  // 2K
-  #endif
-
-  // SPI
-  //#define SPI_EEPROM                            // EEPROM on SPI-0
-  //#define SPI_CHAN_EEPROM1  ?
-  //#define SPI_EEPROM1_CS_PIN    ?
-
-  // 2K EEPROM
-  //#define SPI_EEPROM2_CS_PIN    ?
-
-  // 32Mb FLASH
-  //#define SPI_FLASH_CS_PIN  ?
+  #define IIC_BL24CXX_EEPROM                      // EEPROM on I2C-0
+#endif
+#if ENABLED(IIC_BL24CXX_EEPROM)
+  #define IIC_EEPROM_SDA                    PA11
+  #define IIC_EEPROM_SCL                    PA12
+  #define MARLIN_EEPROM_SIZE               0x800  // 2K (24C16)
+#else
+  #define SDCARD_EEPROM_EMULATION                 // SD EEPROM until all EEPROM is BL24CXX
+  #define MARLIN_EEPROM_SIZE               0x800  // 2K
 #endif
 
 //
@@ -82,7 +72,9 @@
 #define Y_STOP_PIN                          PA7
 #define Z_STOP_PIN                          PA5
 
-#define Z_MIN_PROBE_PIN                     PA5   // BLTouch IN
+#ifndef Z_MIN_PROBE_PIN
+  #define Z_MIN_PROBE_PIN                   PA5   // BLTouch IN
+#endif
 
 //
 // Filament Runout Sensor
@@ -94,42 +86,37 @@
 //
 // Steppers
 //
-#define X_ENABLE_PIN                        PC3
 #ifndef X_STEP_PIN
   #define X_STEP_PIN                        PC2
 #endif
 #ifndef X_DIR_PIN
   #define X_DIR_PIN                         PB9
 #endif
+#define X_ENABLE_PIN                        PC3
 
-#define Y_ENABLE_PIN                        PC3
 #ifndef Y_STEP_PIN
   #define Y_STEP_PIN                        PB8
 #endif
 #ifndef Y_DIR_PIN
   #define Y_DIR_PIN                         PB7
 #endif
+#define Y_ENABLE_PIN                X_ENABLE_PIN
 
-#define Z_ENABLE_PIN                        PC3
 #ifndef Z_STEP_PIN
   #define Z_STEP_PIN                        PB6
 #endif
 #ifndef Z_DIR_PIN
   #define Z_DIR_PIN                         PB5
 #endif
+#define Z_ENABLE_PIN                X_ENABLE_PIN
 
-#define E0_ENABLE_PIN                       PC3
 #ifndef E0_STEP_PIN
   #define E0_STEP_PIN                       PB4
 #endif
 #ifndef E0_DIR_PIN
   #define E0_DIR_PIN                        PB3
 #endif
-
-//
-// Release PB4 (Y_ENABLE_PIN) from JTAG NRST role
-//
-#define DISABLE_DEBUG
+#define E0_ENABLE_PIN               X_ENABLE_PIN
 
 //
 // Temperature Sensors
diff --git a/Marlin/src/pins/stm32f4/pins_CREALITY_V24S1_301F4.h b/Marlin/src/pins/stm32f4/pins_CREALITY_V24S1_301F4.h
new file mode 100644
index 0000000000..883640d577
--- /dev/null
+++ b/Marlin/src/pins/stm32f4/pins_CREALITY_V24S1_301F4.h
@@ -0,0 +1,38 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2022 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * Creality V24S1_301F4 (STM32F401RC) board pin assignments as found on Ender 3 S1.
+ */
+
+#ifndef BOARD_INFO_NAME
+  #define BOARD_INFO_NAME "Creality V24S1-301F4"
+#endif
+#ifndef DEFAULT_MACHINE_NAME
+  #define DEFAULT_MACHINE_NAME "Ender-3 S1 F4"
+#endif
+
+#define DISABLE_DEBUG false // DISABLE_(DEBUG|JTAG) is not supported for STM32F4.
+#define ALLOW_STM32F4
+
+#include "../stm32f1/pins_CREALITY_V24S1_301.h"
diff --git a/Marlin/src/pins/stm32f4/pins_MKS_ROBIN_NANO_V3_common.h b/Marlin/src/pins/stm32f4/pins_MKS_ROBIN_NANO_V3_common.h
index 22e00a4eb4..ead8799f5e 100644
--- a/Marlin/src/pins/stm32f4/pins_MKS_ROBIN_NANO_V3_common.h
+++ b/Marlin/src/pins/stm32f4/pins_MKS_ROBIN_NANO_V3_common.h
@@ -119,6 +119,14 @@
 #define TEMP_1_PIN                          PA2   // TH2
 #define TEMP_BED_PIN                        PC0   // TB1
 
+#if HOTENDS == 1 && !REDUNDANT_TEMP_MATCH(SOURCE, E1)
+  #if TEMP_SENSOR_PROBE
+    #define TEMP_PROBE_PIN            TEMP_1_PIN
+  #elif TEMP_SENSOR_CHAMBER
+    #define TEMP_CHAMBER_PIN          TEMP_1_PIN
+  #endif
+#endif
+
 //
 // Heaters / Fans
 //
diff --git a/buildroot/share/PlatformIO/boards/marlin_CREALITY_STM32F401RC.json b/buildroot/share/PlatformIO/boards/marlin_CREALITY_STM32F401RC.json
new file mode 100644
index 0000000000..82f49fa815
--- /dev/null
+++ b/buildroot/share/PlatformIO/boards/marlin_CREALITY_STM32F401RC.json
@@ -0,0 +1,65 @@
+{
+  "build": {
+    "core": "stm32",
+    "cpu": "cortex-m4",
+    "extra_flags": "-DSTM32F401xx",
+    "f_cpu": "84000000L",
+    "hwids": [
+      [
+        "0x1EAF",
+        "0x0003"
+      ],
+      [
+        "0x0483",
+        "0x3748"
+      ]
+    ],
+    "ldscript": "ldscript.ld",
+    "mcu": "stm32f401rct6",
+    "variant": "MARLIN_CREALITY_STM32F401RC"
+  },
+  "debug": {
+    "jlink_device": "STM32F401RC",
+    "openocd_target": "stm32f4x",
+    "svd_path": "STM32F40x.svd",
+    "tools": {
+      "stlink": {
+        "server": {
+          "arguments": [
+            "-f",
+            "scripts/interface/stlink.cfg",
+            "-c",
+            "transport select hla_swd",
+            "-f",
+            "scripts/target/stm32f4x.cfg",
+            "-c",
+            "reset_config none"
+          ],
+          "executable": "bin/openocd",
+          "package": "tool-openocd"
+        }
+      }
+    }
+  },
+  "frameworks": [
+    "arduino",
+    "stm32cube"
+  ],
+  "name": "STM32F401RC (64k RAM. 256k Flash)",
+  "upload": {
+    "disable_flushing": false,
+    "maximum_ram_size": 65536,
+    "maximum_size": 262144,
+    "protocol": "stlink",
+    "protocols": [
+      "stlink",
+      "dfu",
+      "jlink"
+    ],
+    "require_upload_port": true,
+    "use_1200bps_touch": false,
+    "wait_for_upload_port": false
+  },
+  "url": "https://www.st.com/en/microcontrollers-microprocessors/stm32f401rc.html",
+  "vendor": "Generic"
+}
diff --git a/buildroot/share/PlatformIO/ldscripts/crealityPro.ld b/buildroot/share/PlatformIO/ldscripts/crealityPro.ld
new file mode 100644
index 0000000000..442c5c7507
--- /dev/null
+++ b/buildroot/share/PlatformIO/ldscripts/crealityPro.ld
@@ -0,0 +1,14 @@
+MEMORY
+{
+  ram (rwx) : ORIGIN = 0x20000000, LENGTH = 64K - 40
+  rom (rx)  : ORIGIN = 0x08010000, LENGTH = 512K - 64K
+}
+
+/* Provide memory region aliases for common.inc */
+REGION_ALIAS("REGION_TEXT", rom);
+REGION_ALIAS("REGION_DATA", ram);
+REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", rom);
+
+/* Let common.inc handle the real work. */
+INCLUDE common.inc
\ No newline at end of file
diff --git a/buildroot/share/PlatformIO/scripts/preprocessor.py b/buildroot/share/PlatformIO/scripts/preprocessor.py
index 3d324bac4b..d9c472006c 100644
--- a/buildroot/share/PlatformIO/scripts/preprocessor.py
+++ b/buildroot/share/PlatformIO/scripts/preprocessor.py
@@ -67,11 +67,9 @@ def search_compiler(env):
 		with open(GCC_PATH_CACHE, 'r') as f:
 			return f.read()
 
-	# Find a platform compiler by searching $PATH items
-	# A native target will search all PATH bin folders.
-	# Others look only within $HOME/.platformio.
-	path_regex = "" if env.GetProjectOption('platform') == 'native' else re.escape(env['PROJECT_PACKAGES_DIR'])
-
+	# Find the current platform compiler by searching the $PATH
+	# which will be in a platformio toolchain bin folder
+	path_regex = re.escape(env['PROJECT_PACKAGES_DIR'])
 	gcc = "g++"
 	if env['PLATFORM'] == 'win32':
 		path_separator = ';'
diff --git a/buildroot/share/PlatformIO/variants/MARLIN_CREALITY_STM32F401RC/PeripheralPins.c b/buildroot/share/PlatformIO/variants/MARLIN_CREALITY_STM32F401RC/PeripheralPins.c
new file mode 100644
index 0000000000..418ef5aa7a
--- /dev/null
+++ b/buildroot/share/PlatformIO/variants/MARLIN_CREALITY_STM32F401RC/PeripheralPins.c
@@ -0,0 +1,252 @@
+/*
+ *******************************************************************************
+ * Copyright (c) 2019, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ * Automatically generated from STM32F401R[(B-C)|(D-E)]Tx.xml
+ */
+#include "Arduino.h"
+#include "PeripheralPins.h"
+
+/* =====
+ * Note: Commented lines are alternative possibilities which are not used per default.
+ *       If you change them, you will have to know what you do
+ * =====
+ */
+
+//*** ADC ***
+
+#ifdef HAL_ADC_MODULE_ENABLED
+WEAK const PinMap PinMap_ADC[] = {
+  {PA_0,  ADC1,  STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 0, 0)}, // ADC1_IN0
+  {PA_1,  ADC1,  STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 1, 0)}, // ADC1_IN1
+  {PA_2,  ADC1,  STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 2, 0)}, // ADC1_IN2
+  {PA_3,  ADC1,  STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 3, 0)}, // ADC1_IN3
+  {PA_4,  ADC1,  STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 4, 0)}, // ADC1_IN4
+  {PA_5,  ADC1,  STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 5, 0)}, // ADC1_IN5
+  {PA_6,  ADC1,  STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 6, 0)}, // ADC1_IN6
+  {PA_7,  ADC1,  STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 7, 0)}, // ADC1_IN7
+  {PB_0,  ADC1,  STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 8, 0)}, // ADC1_IN8
+  {PB_1,  ADC1,  STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 9, 0)}, // ADC1_IN9
+  {PC_0,  ADC1,  STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 10, 0)}, // ADC1_IN10
+  {PC_1,  ADC1,  STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 11, 0)}, // ADC1_IN11
+  {PC_2,  ADC1,  STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 12, 0)}, // ADC1_IN12
+  {PC_3,  ADC1,  STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 13, 0)}, // ADC1_IN13
+  {PC_4,  ADC1,  STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 14, 0)}, // ADC1_IN14
+  {PC_5,  ADC1,  STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 15, 0)}, // ADC1_IN15
+  {NC,    NP,    0}
+};
+#endif
+
+//*** No DAC ***
+
+//*** I2C ***
+
+#ifdef HAL_I2C_MODULE_ENABLED
+WEAK const PinMap PinMap_I2C_SDA[] = {
+  {PB_3,  I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF9_I2C2)},
+  {PB_4,  I2C3, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF9_I2C3)},
+  {PB_7,  I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
+  {PB_9,  I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
+  {PC_9,  I2C3, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C3)},
+  {NC,    NP,    0}
+};
+
+WEAK const PinMap PinMap_I2C_SCL[] = {
+  {PA_8,  I2C3, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C3)},
+  {PB_6,  I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
+  {PB_8,  I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
+  {PB_10, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C2)},
+  {NC,    NP,    0}
+};
+#endif
+
+//*** PWM ***
+
+#ifdef HAL_TIM_MODULE_ENABLED
+WEAK const PinMap PinMap_PWM[] = {
+  //{PA_0,  TIM2,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 1, 0)}, // TIM2_CH1
+  {PA_0,  TIM5,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM5, 1, 0)}, // TIM5_CH1
+  //{PA_1,  TIM2,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 2, 0)}, // TIM2_CH2
+  {PA_1,  TIM5,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM5, 2, 0)}, // TIM5_CH2
+  //{PA_2,  TIM2,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 3, 0)}, // TIM2_CH3
+  {PA_2,  TIM5,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM5, 3, 0)}, // TIM5_CH3
+  //{PA_2,  TIM9,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_TIM9, 1, 0)}, // TIM9_CH1
+  //{PA_3,  TIM2,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 4, 0)}, // TIM2_CH4
+  {PA_3,  TIM5,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM5, 4, 0)}, // TIM5_CH4
+  //{PA_3,  TIM9,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_TIM9, 2, 0)}, // TIM9_CH2
+  {PA_5,  TIM2,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 1, 0)}, // TIM2_CH1
+  {PA_6,  TIM3,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3, 1, 0)}, // TIM3_CH1
+  //{PA_7,  TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 1, 1)}, // TIM1_CH1N
+  {PA_7,  TIM3,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3, 2, 0)}, // TIM3_CH2
+  {PA_8,  TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 1, 0)}, // TIM1_CH1
+  {PA_9,  TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 2, 0)}, // TIM1_CH2
+  {PA_10, TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 3, 0)}, // TIM1_CH3
+  {PA_11, TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 4, 0)}, // TIM1_CH4
+  {PA_15, TIM2,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 1, 0)}, // TIM2_CH1
+  //{PB_0,  TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 2, 1)}, // TIM1_CH2N
+  {PB_0,  TIM3,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3, 3, 0)}, // TIM3_CH3
+  //{PB_1,  TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 3, 1)}, // TIM1_CH3N
+  {PB_1,  TIM3,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3, 4, 0)}, // TIM3_CH4
+  {PB_3,  TIM2,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 2, 0)}, // TIM2_CH2
+  {PB_4,  TIM3,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3, 1, 0)}, // TIM3_CH1
+  {PB_5,  TIM3,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3, 2, 0)}, // TIM3_CH2
+  {PB_6,  TIM4,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM4, 1, 0)}, // TIM4_CH1
+  {PB_7,  TIM4,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM4, 2, 0)}, // TIM4_CH2
+  {PB_8,  TIM4,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM4, 3, 0)}, // TIM4_CH3
+  //{PB_8,  TIM10,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_TIM10, 1, 0)}, // TIM10_CH1
+  {PB_9,  TIM4,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM4, 4, 0)}, // TIM4_CH4
+  //{PB_9,  TIM11,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_TIM11, 1, 0)}, // TIM11_CH1
+  {PB_10, TIM2,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 3, 0)}, // TIM2_CH3
+  {PB_13, TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 1, 1)}, // TIM1_CH1N
+  {PB_14, TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 2, 1)}, // TIM1_CH2N
+  {PB_15, TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 3, 1)}, // TIM1_CH3N
+  {PC_6,  TIM3,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3, 1, 0)}, // TIM3_CH1
+  {PC_7,  TIM3,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3, 2, 0)}, // TIM3_CH2
+  {PC_8,  TIM3,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3, 3, 0)}, // TIM3_CH3
+  {PC_9,  TIM3,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3, 4, 0)}, // TIM3_CH4
+  {NC,    NP,    0}
+};
+#endif
+
+//*** SERIAL ***
+
+#ifdef HAL_UART_MODULE_ENABLED
+WEAK const PinMap PinMap_UART_TX[] = {
+  {PA_2,  USART2,  STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+  {PA_9,  USART1,  STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+  {PA_11, USART6,  STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
+  {PB_6,  USART1,  STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+  {PC_6,  USART6,  STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
+  {NC,    NP,    0}
+};
+
+WEAK const PinMap PinMap_UART_RX[] = {
+  {PA_3,  USART2,  STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+  {PA_10, USART1,  STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+  {PA_12, USART6,  STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
+  {PB_7,  USART1,  STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+  {PC_7,  USART6,  STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
+  {NC,    NP,    0}
+};
+
+WEAK const PinMap PinMap_UART_RTS[] = {
+  {PA_1,  USART2,  STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+  {PA_12, USART1,  STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+  {NC,    NP,    0}
+};
+
+WEAK const PinMap PinMap_UART_CTS[] = {
+  {PA_0,  USART2,  STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+  {PA_11, USART1,  STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+  {NC,    NP,    0}
+};
+#endif
+
+//*** SPI ***
+
+#ifdef HAL_SPI_MODULE_ENABLED
+WEAK const PinMap PinMap_SPI_MOSI[] = {
+  {PA_7,  SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)},
+  //{PB_5,  SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)},
+  {PB_5,  SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_SPI3)},
+  {PB_15, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+  {PC_3,  SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+  {PC_12, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_SPI3)},
+  {NC,    NP,    0}
+};
+
+WEAK const PinMap PinMap_SPI_MISO[] = {
+  {PA_6,  SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)},
+  //{PB_4,  SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)},
+  {PB_4,  SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_SPI3)},
+  {PB_14, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+  {PC_2,  SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+  {PC_11, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_SPI3)},
+  {NC,    NP,    0}
+};
+
+WEAK const PinMap PinMap_SPI_SCLK[] = {
+  {PA_5,  SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)},
+  //{PB_3,  SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)},
+  {PB_3,  SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_SPI3)},
+  {PB_10, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+  {PB_13, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+  {PC_10, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_SPI3)},
+  {NC,    NP,    0}
+};
+
+WEAK const PinMap PinMap_SPI_SSEL[] = {
+  {PA_4,  SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)},
+  //{PA_4,  SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_SPI3)},
+  //{PA_15, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)},
+  {PA_15, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_SPI3)},
+  {PB_9,  SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+  {PB_12, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+  {NC,    NP,    0}
+};
+#endif
+
+//*** No CAN ***
+
+//*** No ETHERNET ***
+
+//*** No QUADSPI ***
+
+//*** USB ***
+
+#ifdef HAL_PCD_MODULE_ENABLED
+WEAK const PinMap PinMap_USB_OTG_FS[] = {
+#ifndef ARDUINO_CoreBoard_F401RC
+  {PA_8,  USB_OTG_FS, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_OTG_FS)}, // USB_OTG_FS_SOF
+  {PA_9,  USB_OTG_FS, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, GPIO_AF_NONE)}, // USB_OTG_FS_VBUS
+  {PA_10, USB_OTG_FS, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_PULLUP, GPIO_AF10_OTG_FS)}, // USB_OTG_FS_ID
+#endif
+  {PA_11, USB_OTG_FS, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_OTG_FS)}, // USB_OTG_FS_DM
+  {PA_12, USB_OTG_FS, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_OTG_FS)}, // USB_OTG_FS_DP
+  {NC,    NP,    0}
+};
+#endif
+
+//*** No USB_OTG_HS ***
+
+//*** SD ***
+
+#ifdef HAL_SD_MODULE_ENABLED
+WEAK const PinMap PinMap_SD[] = {
+  {PB_8,  SDIO, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDIO)}, // SDIO_D4
+  {PB_9,  SDIO, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDIO)}, // SDIO_D5
+  {PC_6,  SDIO, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDIO)}, // SDIO_D6
+  {PC_7,  SDIO, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDIO)}, // SDIO_D7
+  {PC_8,  SDIO, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDIO)}, // SDIO_D0
+  {PC_9,  SDIO, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDIO)}, // SDIO_D1
+  {PC_10, SDIO, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDIO)}, // SDIO_D2
+  {PC_11, SDIO, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDIO)}, // SDIO_D3
+  {PC_12, SDIO, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF12_SDIO)}, // SDIO_CK
+  {PD_2,  SDIO, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF12_SDIO)}, // SDIO_CMD
+  {NC,    NP,    0}
+};
+#endif
diff --git a/buildroot/share/PlatformIO/variants/MARLIN_CREALITY_STM32F401RC/PinNamesVar.h b/buildroot/share/PlatformIO/variants/MARLIN_CREALITY_STM32F401RC/PinNamesVar.h
new file mode 100644
index 0000000000..e1536bcf30
--- /dev/null
+++ b/buildroot/share/PlatformIO/variants/MARLIN_CREALITY_STM32F401RC/PinNamesVar.h
@@ -0,0 +1,33 @@
+/* SYS_WKUP */
+#ifdef PWR_WAKEUP_PIN1
+  SYS_WKUP1 = PA_0,
+#endif
+#ifdef PWR_WAKEUP_PIN2
+  SYS_WKUP2 = NC,
+#endif
+#ifdef PWR_WAKEUP_PIN3
+  SYS_WKUP3 = NC,
+#endif
+#ifdef PWR_WAKEUP_PIN4
+  SYS_WKUP4 = NC,
+#endif
+#ifdef PWR_WAKEUP_PIN5
+  SYS_WKUP5 = NC,
+#endif
+#ifdef PWR_WAKEUP_PIN6
+  SYS_WKUP6 = NC,
+#endif
+#ifdef PWR_WAKEUP_PIN7
+  SYS_WKUP7 = NC,
+#endif
+#ifdef PWR_WAKEUP_PIN8
+  SYS_WKUP8 = NC,
+#endif
+/* USB */
+#ifdef USBCON
+  USB_OTG_FS_SOF = PA_8,
+  USB_OTG_FS_VBUS = PA_9,
+  USB_OTG_FS_ID = PA_10,
+  USB_OTG_FS_DM = PA_11,
+  USB_OTG_FS_DP = PA_12,
+#endif
\ No newline at end of file
diff --git a/buildroot/share/PlatformIO/variants/MARLIN_CREALITY_STM32F401RC/hal_conf_custom.h b/buildroot/share/PlatformIO/variants/MARLIN_CREALITY_STM32F401RC/hal_conf_custom.h
new file mode 100644
index 0000000000..1dd047bb90
--- /dev/null
+++ b/buildroot/share/PlatformIO/variants/MARLIN_CREALITY_STM32F401RC/hal_conf_custom.h
@@ -0,0 +1,495 @@
+/**
+  ******************************************************************************
+  * @file    stm32f4xx_hal_conf.h
+  * @brief   HAL configuration file.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under BSD 3-Clause license,
+  * the "License"; You may not use this file except in compliance with the
+  * License. You may obtain a copy of the License at:
+  *                        opensource.org/licenses/BSD-3-Clause
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F4xx_HAL_CONF_CUSTOM
+#define __STM32F4xx_HAL_CONF_CUSTOM
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+/* ########################## Module Selection ############################## */
+ /**
+  * @brief This is the list of modules to be used in the HAL driver
+  */
+#define HAL_MODULE_ENABLED
+#define HAL_ADC_MODULE_ENABLED
+#define HAL_CRC_MODULE_ENABLED
+#define HAL_DMA_MODULE_ENABLED
+#define HAL_FLASH_MODULE_ENABLED
+#define HAL_GPIO_MODULE_ENABLED
+#define HAL_I2C_MODULE_ENABLED
+#define HAL_IWDG_MODULE_ENABLED
+#define HAL_PWR_MODULE_ENABLED
+#define HAL_RCC_MODULE_ENABLED
+#define HAL_RTC_MODULE_ENABLED
+#define HAL_SPI_MODULE_ENABLED
+#define HAL_TIM_MODULE_ENABLED
+#define HAL_CORTEX_MODULE_ENABLED
+//#define HAL_PCD_MODULE_ENABLED // Automatically added if any type of USB is enabled, as in Arduino IDE. (STM32 v3.10700.191028)
+
+//#define HAL_CAN_MODULE_ENABLED
+//#define HAL_CAN_LEGACY_MODULE_ENABLED
+//#define HAL_CEC_MODULE_ENABLED
+//#define HAL_CRYP_MODULE_ENABLED
+//#define HAL_DAC_MODULE_ENABLED
+//#define HAL_DCMI_MODULE_ENABLED
+//#define HAL_DMA2D_MODULE_ENABLED
+//#define HAL_ETH_MODULE_ENABLED
+//#define HAL_NAND_MODULE_ENABLED
+//#define HAL_NOR_MODULE_ENABLED
+//#define HAL_PCCARD_MODULE_ENABLED
+//#define HAL_SRAM_MODULE_ENABLED
+//#define HAL_SDRAM_MODULE_ENABLED
+//#define HAL_HASH_MODULE_ENABLED
+//#define HAL_EXTI_MODULE_ENABLED
+//#define HAL_SMBUS_MODULE_ENABLED
+//#define HAL_I2S_MODULE_ENABLED
+//#define HAL_LTDC_MODULE_ENABLED
+//#define HAL_DSI_MODULE_ENABLED
+//#define HAL_QSPI_MODULE_ENABLED
+//#define HAL_RNG_MODULE_ENABLED
+//#define HAL_SAI_MODULE_ENABLED
+#define HAL_SD_MODULE_ENABLED
+//#define HAL_UART_MODULE_ENABLED
+//#define HAL_USART_MODULE_ENABLED
+//#define HAL_IRDA_MODULE_ENABLED
+//#define HAL_SMARTCARD_MODULE_ENABLED
+//#define HAL_WWDG_MODULE_ENABLED
+//#define HAL_HCD_MODULE_ENABLED
+//#define HAL_FMPI2C_MODULE_ENABLED
+//#define HAL_SPDIFRX_MODULE_ENABLED
+//#define HAL_DFSDM_MODULE_ENABLED
+//#define HAL_LPTIM_MODULE_ENABLED
+//#define HAL_MMC_MODULE_ENABLED
+
+/* ########################## HSE/HSI Values adaptation ##################### */
+/**
+  * @brief Adjust the value of External High Speed oscillator (HSE) used in your application.
+  *        This value is used by the RCC HAL module to compute the system frequency
+  *        (when HSE is used as system clock source, directly or through the PLL).
+  */
+#ifndef HSE_VALUE
+#define HSE_VALUE              8000000U /*!< Value of the External oscillator in Hz */
+#endif /* HSE_VALUE */
+
+#ifndef HSE_STARTUP_TIMEOUT
+#define HSE_STARTUP_TIMEOUT    100U      /*!< Time out for HSE start up, in ms */
+#endif /* HSE_STARTUP_TIMEOUT */
+
+/**
+  * @brief Internal High Speed oscillator (HSI) value.
+  *        This value is used by the RCC HAL module to compute the system frequency
+  *        (when HSI is used as system clock source, directly or through the PLL).
+  */
+#ifndef HSI_VALUE
+#define HSI_VALUE              16000000U /*!< Value of the Internal oscillator in Hz */
+#endif /* HSI_VALUE */
+
+/**
+  * @brief Internal Low Speed oscillator (LSI) value.
+  */
+#ifndef LSI_VALUE
+#define LSI_VALUE               32000U    /*!< LSI Typical Value in Hz */
+#endif /* LSI_VALUE */                      /*!< Value of the Internal Low Speed oscillator in Hz
+The real value may vary depending on the variations
+in voltage and temperature. */
+/**
+  * @brief External Low Speed oscillator (LSE) value.
+  */
+#ifndef LSE_VALUE
+#define LSE_VALUE               32768U    /*!< Value of the External Low Speed oscillator in Hz */
+#endif /* LSE_VALUE */
+
+#ifndef LSE_STARTUP_TIMEOUT
+#define LSE_STARTUP_TIMEOUT    5000U     /*!< Time out for LSE start up, in ms */
+#endif /* LSE_STARTUP_TIMEOUT */
+
+/**
+  * @brief External clock source for I2S peripheral
+  *        This value is used by the I2S HAL module to compute the I2S clock source
+  *        frequency, this source is inserted directly through I2S_CKIN pad.
+  */
+#ifndef EXTERNAL_CLOCK_VALUE
+#define EXTERNAL_CLOCK_VALUE     12288000U /*!< Value of the External oscillator in Hz*/
+#endif /* EXTERNAL_CLOCK_VALUE */
+
+/* Tip: To avoid modifying this file each time you need to use different HSE,
+   ===  you can define the HSE value in your toolchain compiler preprocessor. */
+
+/* ########################### System Configuration ######################### */
+/**
+  * @brief This is the HAL system configuration section
+  */
+#if !defined (VDD_VALUE)
+#define  VDD_VALUE                    3300U /*!< Value of VDD in mv */
+#endif
+#if !defined (TICK_INT_PRIORITY)
+#define  TICK_INT_PRIORITY            0x00U /*!< tick interrupt priority */
+#endif
+#if !defined (USE_RTOS)
+#define  USE_RTOS                     0U
+#endif
+#if !defined (PREFETCH_ENABLE)
+#define  PREFETCH_ENABLE              1U
+#endif
+#if !defined (INSTRUCTION_CACHE_ENABLE)
+#define  INSTRUCTION_CACHE_ENABLE     1U
+#endif
+#if !defined (DATA_CACHE_ENABLE)
+#define  DATA_CACHE_ENABLE            1U
+#endif
+
+#define  USE_HAL_ADC_REGISTER_CALLBACKS         0U /* ADC register callback disabled       */
+#define  USE_HAL_CAN_REGISTER_CALLBACKS         0U /* CAN register callback disabled       */
+#define  USE_HAL_CEC_REGISTER_CALLBACKS         0U /* CEC register callback disabled       */
+#define  USE_HAL_CRYP_REGISTER_CALLBACKS        0U /* CRYP register callback disabled      */
+#define  USE_HAL_DAC_REGISTER_CALLBACKS         0U /* DAC register callback disabled       */
+#define  USE_HAL_DCMI_REGISTER_CALLBACKS        0U /* DCMI register callback disabled      */
+#define  USE_HAL_DFSDM_REGISTER_CALLBACKS       0U /* DFSDM register callback disabled     */
+#define  USE_HAL_DMA2D_REGISTER_CALLBACKS       0U /* DMA2D register callback disabled     */
+#define  USE_HAL_DSI_REGISTER_CALLBACKS         0U /* DSI register callback disabled       */
+#define  USE_HAL_ETH_REGISTER_CALLBACKS         0U /* ETH register callback disabled       */
+#define  USE_HAL_HASH_REGISTER_CALLBACKS        0U /* HASH register callback disabled      */
+#define  USE_HAL_HCD_REGISTER_CALLBACKS         0U /* HCD register callback disabled       */
+#define  USE_HAL_I2C_REGISTER_CALLBACKS         0U /* I2C register callback disabled       */
+#define  USE_HAL_FMPI2C_REGISTER_CALLBACKS      0U /* FMPI2C register callback disabled    */
+#define  USE_HAL_I2S_REGISTER_CALLBACKS         0U /* I2S register callback disabled       */
+#define  USE_HAL_IRDA_REGISTER_CALLBACKS        0U /* IRDA register callback disabled      */
+#define  USE_HAL_LPTIM_REGISTER_CALLBACKS       0U /* LPTIM register callback disabled     */
+#define  USE_HAL_LTDC_REGISTER_CALLBACKS        0U /* LTDC register callback disabled      */
+#define  USE_HAL_MMC_REGISTER_CALLBACKS         0U /* MMC register callback disabled       */
+#define  USE_HAL_NAND_REGISTER_CALLBACKS        0U /* NAND register callback disabled      */
+#define  USE_HAL_NOR_REGISTER_CALLBACKS         0U /* NOR register callback disabled       */
+#define  USE_HAL_PCCARD_REGISTER_CALLBACKS      0U /* PCCARD register callback disabled    */
+#define  USE_HAL_PCD_REGISTER_CALLBACKS         0U /* PCD register callback disabled       */
+#define  USE_HAL_QSPI_REGISTER_CALLBACKS        0U /* QSPI register callback disabled      */
+#define  USE_HAL_RNG_REGISTER_CALLBACKS         0U /* RNG register callback disabled       */
+#define  USE_HAL_RTC_REGISTER_CALLBACKS         0U /* RTC register callback disabled       */
+#define  USE_HAL_SAI_REGISTER_CALLBACKS         0U /* SAI register callback disabled       */
+#define  USE_HAL_SD_REGISTER_CALLBACKS          0U /* SD register callback disabled        */
+#define  USE_HAL_SMARTCARD_REGISTER_CALLBACKS   0U /* SMARTCARD register callback disabled */
+#define  USE_HAL_SDRAM_REGISTER_CALLBACKS       0U /* SDRAM register callback disabled     */
+#define  USE_HAL_SRAM_REGISTER_CALLBACKS        0U /* SRAM register callback disabled      */
+#define  USE_HAL_SPDIFRX_REGISTER_CALLBACKS     0U /* SPDIFRX register callback disabled   */
+#define  USE_HAL_SMBUS_REGISTER_CALLBACKS       0U /* SMBUS register callback disabled     */
+#define  USE_HAL_SPI_REGISTER_CALLBACKS         0U /* SPI register callback disabled       */
+#define  USE_HAL_TIM_REGISTER_CALLBACKS         0U /* TIM register callback disabled       */
+#define  USE_HAL_UART_REGISTER_CALLBACKS        0U /* UART register callback disabled      */
+#define  USE_HAL_USART_REGISTER_CALLBACKS       0U /* USART register callback disabled     */
+#define  USE_HAL_WWDG_REGISTER_CALLBACKS        0U /* WWDG register callback disabled      */
+
+/* ########################## Assert Selection ############################## */
+/**
+  * @brief Uncomment the line below to expanse the "assert_param" macro in the
+  *        HAL drivers code
+  */
+/* #define USE_FULL_ASSERT    1U */
+
+/* ################## Ethernet peripheral configuration ##################### */
+
+/* Section 1 : Ethernet peripheral configuration */
+
+/* MAC ADDRESS: MAC_ADDR0:MAC_ADDR1:MAC_ADDR2:MAC_ADDR3:MAC_ADDR4:MAC_ADDR5 */
+#define MAC_ADDR0   2U
+#define MAC_ADDR1   0U
+#define MAC_ADDR2   0U
+#define MAC_ADDR3   0U
+#define MAC_ADDR4   0U
+#define MAC_ADDR5   0U
+
+/* Definition of the Ethernet driver buffers size and count */
+#define ETH_RX_BUF_SIZE                ETH_MAX_PACKET_SIZE /* buffer size for receive               */
+#define ETH_TX_BUF_SIZE                ETH_MAX_PACKET_SIZE /* buffer size for transmit              */
+#define ETH_RXBUFNB                    ((uint32_t)4U)       /* 4 Rx buffers of size ETH_RX_BUF_SIZE  */
+#define ETH_TXBUFNB                    ((uint32_t)4U)       /* 4 Tx buffers of size ETH_TX_BUF_SIZE  */
+
+/* Section 2: PHY configuration section */
+
+/* DP83848_PHY_ADDRESS Address*/
+#define DP83848_PHY_ADDRESS           0x01U
+/* PHY Reset delay these values are based on a 1 ms Systick interrupt*/
+#define PHY_RESET_DELAY                 0x000000FFU
+/* PHY Configuration delay */
+#define PHY_CONFIG_DELAY                0x00000FFFU
+
+#define PHY_READ_TO                     0x0000FFFFU
+#define PHY_WRITE_TO                    0x0000FFFFU
+
+/* Section 3: Common PHY Registers */
+
+#define PHY_BCR                         ((uint16_t)0x0000)  /*!< Transceiver Basic Control Register   */
+#define PHY_BSR                         ((uint16_t)0x0001)  /*!< Transceiver Basic Status Register    */
+
+#define PHY_RESET                       ((uint16_t)0x8000)  /*!< PHY Reset */
+#define PHY_LOOPBACK                    ((uint16_t)0x4000)  /*!< Select loop-back mode */
+#define PHY_FULLDUPLEX_100M             ((uint16_t)0x2100)  /*!< Set the full-duplex mode at 100 Mb/s */
+#define PHY_HALFDUPLEX_100M             ((uint16_t)0x2000)  /*!< Set the half-duplex mode at 100 Mb/s */
+#define PHY_FULLDUPLEX_10M              ((uint16_t)0x0100)  /*!< Set the full-duplex mode at 10 Mb/s  */
+#define PHY_HALFDUPLEX_10M              ((uint16_t)0x0000)  /*!< Set the half-duplex mode at 10 Mb/s  */
+#define PHY_AUTONEGOTIATION             ((uint16_t)0x1000)  /*!< Enable auto-negotiation function     */
+#define PHY_RESTART_AUTONEGOTIATION     ((uint16_t)0x0200)  /*!< Restart auto-negotiation function    */
+#define PHY_POWERDOWN                   ((uint16_t)0x0800)  /*!< Select the power down mode           */
+#define PHY_ISOLATE                     ((uint16_t)0x0400)  /*!< Isolate PHY from MII                 */
+
+#define PHY_AUTONEGO_COMPLETE           ((uint16_t)0x0020)  /*!< Auto-Negotiation process completed   */
+#define PHY_LINKED_STATUS               ((uint16_t)0x0004)  /*!< Valid link established               */
+#define PHY_JABBER_DETECTION            ((uint16_t)0x0002)  /*!< Jabber condition detected            */
+
+/* Section 4: Extended PHY Registers */
+#define PHY_SR                          ((uint16_t)0x10U)    /*!< PHY status register Offset                      */
+
+#define PHY_SPEED_STATUS                ((uint16_t)0x0002U)  /*!< PHY Speed mask                                  */
+#define PHY_DUPLEX_STATUS               ((uint16_t)0x0004U)  /*!< PHY Duplex mask                                 */
+
+/* ################## SPI peripheral configuration ########################## */
+
+/* CRC FEATURE: Use to activate CRC feature inside HAL SPI Driver
+ * Activated: CRC code is present inside driver
+ * Deactivated: CRC code cleaned from driver
+ */
+#ifndef USE_SPI_CRC
+#define USE_SPI_CRC                     0U
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+/**
+  * @brief Include module's header file
+  */
+
+#ifdef HAL_RCC_MODULE_ENABLED
+#include "stm32f4xx_hal_rcc.h"
+#endif /* HAL_RCC_MODULE_ENABLED */
+
+#ifdef HAL_GPIO_MODULE_ENABLED
+#include "stm32f4xx_hal_gpio.h"
+#endif /* HAL_GPIO_MODULE_ENABLED */
+
+#ifdef HAL_EXTI_MODULE_ENABLED
+#include "stm32f4xx_hal_exti.h"
+#endif /* HAL_EXTI_MODULE_ENABLED */
+
+#ifdef HAL_DMA_MODULE_ENABLED
+#include "stm32f4xx_hal_dma.h"
+#endif /* HAL_DMA_MODULE_ENABLED */
+
+#ifdef HAL_CORTEX_MODULE_ENABLED
+#include "stm32f4xx_hal_cortex.h"
+#endif /* HAL_CORTEX_MODULE_ENABLED */
+
+#ifdef HAL_ADC_MODULE_ENABLED
+#include "stm32f4xx_hal_adc.h"
+#endif /* HAL_ADC_MODULE_ENABLED */
+
+#ifdef HAL_CAN_MODULE_ENABLED
+#include "stm32f4xx_hal_can.h"
+#endif /* HAL_CAN_MODULE_ENABLED */
+
+#ifdef HAL_CAN_LEGACY_MODULE_ENABLED
+#include "stm32f4xx_hal_can_legacy.h"
+#endif /* HAL_CAN_LEGACY_MODULE_ENABLED */
+
+#ifdef HAL_CRC_MODULE_ENABLED
+#include "stm32f4xx_hal_crc.h"
+#endif /* HAL_CRC_MODULE_ENABLED */
+
+#ifdef HAL_CRYP_MODULE_ENABLED
+#include "stm32f4xx_hal_cryp.h"
+#endif /* HAL_CRYP_MODULE_ENABLED */
+
+#ifdef HAL_DMA2D_MODULE_ENABLED
+#include "stm32f4xx_hal_dma2d.h"
+#endif /* HAL_DMA2D_MODULE_ENABLED */
+
+#ifdef HAL_DAC_MODULE_ENABLED
+#include "stm32f4xx_hal_dac.h"
+#endif /* HAL_DAC_MODULE_ENABLED */
+
+#ifdef HAL_DCMI_MODULE_ENABLED
+#include "stm32f4xx_hal_dcmi.h"
+#endif /* HAL_DCMI_MODULE_ENABLED */
+
+#ifdef HAL_ETH_MODULE_ENABLED
+#include "stm32f4xx_hal_eth.h"
+#endif /* HAL_ETH_MODULE_ENABLED */
+
+#ifdef HAL_FLASH_MODULE_ENABLED
+#include "stm32f4xx_hal_flash.h"
+#endif /* HAL_FLASH_MODULE_ENABLED */
+
+#ifdef HAL_SRAM_MODULE_ENABLED
+#include "stm32f4xx_hal_sram.h"
+#endif /* HAL_SRAM_MODULE_ENABLED */
+
+#ifdef HAL_NOR_MODULE_ENABLED
+#include "stm32f4xx_hal_nor.h"
+#endif /* HAL_NOR_MODULE_ENABLED */
+
+#ifdef HAL_NAND_MODULE_ENABLED
+#include "stm32f4xx_hal_nand.h"
+#endif /* HAL_NAND_MODULE_ENABLED */
+
+#ifdef HAL_PCCARD_MODULE_ENABLED
+#include "stm32f4xx_hal_pccard.h"
+#endif /* HAL_PCCARD_MODULE_ENABLED */
+
+#ifdef HAL_SDRAM_MODULE_ENABLED
+#include "stm32f4xx_hal_sdram.h"
+#endif /* HAL_SDRAM_MODULE_ENABLED */
+
+#ifdef HAL_HASH_MODULE_ENABLED
+#include "stm32f4xx_hal_hash.h"
+#endif /* HAL_HASH_MODULE_ENABLED */
+
+#ifdef HAL_I2C_MODULE_ENABLED
+#include "stm32f4xx_hal_i2c.h"
+#endif /* HAL_I2C_MODULE_ENABLED */
+
+#ifdef HAL_SMBUS_MODULE_ENABLED
+#include "stm32f4xx_hal_smbus.h"
+#endif /* HAL_SMBUS_MODULE_ENABLED */
+
+#ifdef HAL_I2S_MODULE_ENABLED
+#include "stm32f4xx_hal_i2s.h"
+#endif /* HAL_I2S_MODULE_ENABLED */
+
+#ifdef HAL_IWDG_MODULE_ENABLED
+#include "stm32f4xx_hal_iwdg.h"
+#endif /* HAL_IWDG_MODULE_ENABLED */
+
+#ifdef HAL_LTDC_MODULE_ENABLED
+#include "stm32f4xx_hal_ltdc.h"
+#endif /* HAL_LTDC_MODULE_ENABLED */
+
+#ifdef HAL_PWR_MODULE_ENABLED
+#include "stm32f4xx_hal_pwr.h"
+#endif /* HAL_PWR_MODULE_ENABLED */
+
+#ifdef HAL_RNG_MODULE_ENABLED
+#include "stm32f4xx_hal_rng.h"
+#endif /* HAL_RNG_MODULE_ENABLED */
+
+#ifdef HAL_RTC_MODULE_ENABLED
+#include "stm32f4xx_hal_rtc.h"
+#endif /* HAL_RTC_MODULE_ENABLED */
+
+#ifdef HAL_SAI_MODULE_ENABLED
+#include "stm32f4xx_hal_sai.h"
+#endif /* HAL_SAI_MODULE_ENABLED */
+
+#ifdef HAL_SD_MODULE_ENABLED
+#include "stm32f4xx_hal_sd.h"
+#endif /* HAL_SD_MODULE_ENABLED */
+
+#ifdef HAL_SPI_MODULE_ENABLED
+#include "stm32f4xx_hal_spi.h"
+#endif /* HAL_SPI_MODULE_ENABLED */
+
+#ifdef HAL_TIM_MODULE_ENABLED
+#include "stm32f4xx_hal_tim.h"
+#endif /* HAL_TIM_MODULE_ENABLED */
+
+#ifdef HAL_UART_MODULE_ENABLED
+#include "stm32f4xx_hal_uart.h"
+#endif /* HAL_UART_MODULE_ENABLED */
+
+#ifdef HAL_USART_MODULE_ENABLED
+#include "stm32f4xx_hal_usart.h"
+#endif /* HAL_USART_MODULE_ENABLED */
+
+#ifdef HAL_IRDA_MODULE_ENABLED
+#include "stm32f4xx_hal_irda.h"
+#endif /* HAL_IRDA_MODULE_ENABLED */
+
+#ifdef HAL_SMARTCARD_MODULE_ENABLED
+#include "stm32f4xx_hal_smartcard.h"
+#endif /* HAL_SMARTCARD_MODULE_ENABLED */
+
+#ifdef HAL_WWDG_MODULE_ENABLED
+#include "stm32f4xx_hal_wwdg.h"
+#endif /* HAL_WWDG_MODULE_ENABLED */
+
+#ifdef HAL_PCD_MODULE_ENABLED
+#include "stm32f4xx_hal_pcd.h"
+#endif /* HAL_PCD_MODULE_ENABLED */
+
+#ifdef HAL_HCD_MODULE_ENABLED
+#include "stm32f4xx_hal_hcd.h"
+#endif /* HAL_HCD_MODULE_ENABLED */
+
+#ifdef HAL_DSI_MODULE_ENABLED
+#include "stm32f4xx_hal_dsi.h"
+#endif /* HAL_DSI_MODULE_ENABLED */
+
+#ifdef HAL_QSPI_MODULE_ENABLED
+#include "stm32f4xx_hal_qspi.h"
+#endif /* HAL_QSPI_MODULE_ENABLED */
+
+#ifdef HAL_CEC_MODULE_ENABLED
+#include "stm32f4xx_hal_cec.h"
+#endif /* HAL_CEC_MODULE_ENABLED */
+
+#ifdef HAL_FMPI2C_MODULE_ENABLED
+#include "stm32f4xx_hal_fmpi2c.h"
+#endif /* HAL_FMPI2C_MODULE_ENABLED */
+
+#ifdef HAL_SPDIFRX_MODULE_ENABLED
+#include "stm32f4xx_hal_spdifrx.h"
+#endif /* HAL_SPDIFRX_MODULE_ENABLED */
+
+#ifdef HAL_DFSDM_MODULE_ENABLED
+#include "stm32f4xx_hal_dfsdm.h"
+#endif /* HAL_DFSDM_MODULE_ENABLED */
+
+#ifdef HAL_LPTIM_MODULE_ENABLED
+#include "stm32f4xx_hal_lptim.h"
+#endif /* HAL_LPTIM_MODULE_ENABLED */
+
+#ifdef HAL_MMC_MODULE_ENABLED
+#include "stm32f4xx_hal_mmc.h"
+#endif /* HAL_MMC_MODULE_ENABLED */
+
+/* Exported macro ------------------------------------------------------------*/
+#ifdef USE_FULL_ASSERT
+/**
+  * @brief  The assert_param macro is used for function's parameters check.
+  * @param  expr If expr is false, it calls assert_failed function
+  *         which reports the name of the source file and the source
+  *         line number of the call that failed.
+  *         If expr is true, it returns no value.
+  * @retval None
+  */
+#define assert_param(expr) ((expr) ? (void)0U : assert_failed((uint8_t *)__FILE__, __LINE__))
+/* Exported functions ------------------------------------------------------- */
+void assert_failed(uint8_t *file, uint32_t line);
+#else
+#define assert_param(expr) ((void)0U)
+#endif /* USE_FULL_ASSERT */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F4xx_HAL_CONF_CUSTOM_H */
+
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/buildroot/share/PlatformIO/variants/MARLIN_CREALITY_STM32F401RC/ldscript.ld b/buildroot/share/PlatformIO/variants/MARLIN_CREALITY_STM32F401RC/ldscript.ld
new file mode 100644
index 0000000000..004714cd6d
--- /dev/null
+++ b/buildroot/share/PlatformIO/variants/MARLIN_CREALITY_STM32F401RC/ldscript.ld
@@ -0,0 +1,187 @@
+/*
+*****************************************************************************
+**
+
+**  File        : LinkerScript.ld
+**
+**  Abstract    : Linker script for STM32F401RETx Device with
+**                512KByte FLASH, 96KByte RAM
+**
+**                Set heap size, stack size and stack location according
+**                to application requirements.
+**
+**                Set memory bank area and size if external memory is used.
+**
+**  Target      : STMicroelectronics STM32
+**
+**
+**  Distribution: The file is distributed as is, without any warranty
+**                of any kind.
+**
+*****************************************************************************
+** @attention
+**
+** <h2><center>&copy; COPYRIGHT(c) 2014 Ac6</center></h2>
+**
+** Redistribution and use in source and binary forms, with or without modification,
+** are permitted provided that the following conditions are met:
+**   1. Redistributions of source code must retain the above copyright notice,
+**      this list of conditions and the following disclaimer.
+**   2. Redistributions in binary form must reproduce the above copyright notice,
+**      this list of conditions and the following disclaimer in the documentation
+**      and/or other materials provided with the distribution.
+**   3. Neither the name of Ac6 nor the names of its contributors
+**      may be used to endorse or promote products derived from this software
+**      without specific prior written permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**
+*****************************************************************************
+*/
+
+/* Entry Point */
+ENTRY(Reset_Handler)
+
+/* Highest address of the user mode stack */
+_estack = 0x20010000;    /* end of RAM */
+
+/* Generate a link error if heap and stack don't fit into RAM */
+_Min_Heap_Size = 0x200;;      /* required amount of heap  */
+_Min_Stack_Size = 0x400;; /* required amount of stack */
+
+/* Specify the memory areas */
+MEMORY
+{
+FLASH (rx)      : ORIGIN = 0x8000000 + LD_FLASH_OFFSET, LENGTH = LD_MAX_SIZE - LD_FLASH_OFFSET
+RAM (xrw)      : ORIGIN = 0x20000000, LENGTH = 64K
+}
+
+/* Define output sections */
+SECTIONS
+{
+  /* The startup code goes first into FLASH */
+  .isr_vector :
+  {
+    . = ALIGN(4);
+    KEEP(*(.isr_vector)) /* Startup code */
+    . = ALIGN(4);
+  } >FLASH
+
+  /* The program code and other data goes into FLASH */
+  .text ALIGN(4):
+  {
+    . = ALIGN(4);
+    *(.text)           /* .text sections (code) */
+    *(.text*)          /* .text* sections (code) */
+    *(.glue_7)         /* glue arm to thumb code */
+    *(.glue_7t)        /* glue thumb to arm code */
+    *(.eh_frame)
+
+    KEEP (*(.init))
+    KEEP (*(.fini))
+
+    . = ALIGN(4);
+    _etext = .;        /* define a global symbols at end of code */
+  } >FLASH
+
+  /* Constant data goes into FLASH */
+  .rodata :
+  {
+    . = ALIGN(4);
+    *(.rodata)         /* .rodata sections (constants, strings, etc.) */
+    *(.rodata*)        /* .rodata* sections (constants, strings, etc.) */
+    . = ALIGN(4);
+  } >FLASH
+
+  .ARM.extab   : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
+  .ARM : {
+    __exidx_start = .;
+    *(.ARM.exidx*)
+    __exidx_end = .;
+  } >FLASH
+
+  .preinit_array     :
+  {
+    PROVIDE_HIDDEN (__preinit_array_start = .);
+    KEEP (*(.preinit_array*))
+    PROVIDE_HIDDEN (__preinit_array_end = .);
+  } >FLASH
+  .init_array :
+  {
+    PROVIDE_HIDDEN (__init_array_start = .);
+    KEEP (*(SORT(.init_array.*)))
+    KEEP (*(.init_array*))
+    PROVIDE_HIDDEN (__init_array_end = .);
+  } >FLASH
+  .fini_array :
+  {
+    PROVIDE_HIDDEN (__fini_array_start = .);
+    KEEP (*(SORT(.fini_array.*)))
+    KEEP (*(.fini_array*))
+    PROVIDE_HIDDEN (__fini_array_end = .);
+  } >FLASH
+
+  /* used by the startup to initialize data */
+  _sidata = LOADADDR(.data);
+
+  /* Initialized data sections goes into RAM, load LMA copy after code */
+  .data :
+  {
+    . = ALIGN(4);
+    _sdata = .;        /* create a global symbol at data start */
+    *(.data)           /* .data sections */
+    *(.data*)          /* .data* sections */
+
+    . = ALIGN(4);
+    _edata = .;        /* define a global symbol at data end */
+  } >RAM AT> FLASH
+
+
+  /* Uninitialized data section */
+  . = ALIGN(4);
+  .bss :
+  {
+    /* This is used by the startup in order to initialize the .bss secion */
+    _sbss = .;         /* define a global symbol at bss start */
+    __bss_start__ = _sbss;
+    *(.bss)
+    *(.bss*)
+    *(COMMON)
+
+    . = ALIGN(4);
+    _ebss = .;         /* define a global symbol at bss end */
+    __bss_end__ = _ebss;
+  } >RAM
+
+  /* User_heap_stack section, used to check that there is enough RAM left */
+  ._user_heap_stack :
+  {
+    . = ALIGN(8);
+    PROVIDE ( end = . );
+    PROVIDE ( _end = . );
+    . = . + _Min_Heap_Size;
+    . = . + _Min_Stack_Size;
+    . = ALIGN(8);
+  } >RAM
+
+
+
+  /* Remove information from the standard libraries */
+  /DISCARD/ :
+  {
+    libc.a ( * )
+    libm.a ( * )
+    libgcc.a ( * )
+  }
+
+  .ARM.attributes 0 : { *(.ARM.attributes) }
+}
\ No newline at end of file
diff --git a/buildroot/share/PlatformIO/variants/MARLIN_CREALITY_STM32F401RC/variant.cpp b/buildroot/share/PlatformIO/variants/MARLIN_CREALITY_STM32F401RC/variant.cpp
new file mode 100644
index 0000000000..71f3509ed5
--- /dev/null
+++ b/buildroot/share/PlatformIO/variants/MARLIN_CREALITY_STM32F401RC/variant.cpp
@@ -0,0 +1,238 @@
+/*
+  Copyright (c) 2011 Arduino.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include "pins_arduino.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Digital PinName array
+const PinName digitalPin[] = {
+  PA_0,  // Digital pin 0
+  PA_1,  // Digital pin 1
+  PA_2,  // Digital pin 2
+  PA_3,  // Digital pin 3
+  PA_4,  // Digital pin 4
+  PA_5,  // Digital pin 5
+  PA_6,  // Digital pin 6
+  PA_7,  // Digital pin 7
+  PA_8,  // Digital pin 8
+  PA_9,  // Digital pin 9
+  PA_10, // Digital pin 10
+  PA_11, // Digital pin 11
+  PA_12, // Digital pin 12
+  PA_13, // Digital pin 13
+  PA_14, // Digital pin 14
+  PA_15, // Digital pin 15
+
+  PB_0,  // Digital pin 16
+  PB_1,  // Digital pin 17
+  PB_2,  // Digital pin 18
+  PB_3,  // Digital pin 19
+  PB_4,  // Digital pin 20
+  PB_5,  // Digital pin 21
+  PB_6,  // Digital pin 22
+  PB_7,  // Digital pin 23
+  PB_8,  // Digital pin 24
+  PB_9,  // Digital pin 25
+  PB_10, // Digital pin 26
+  PB_12, // Digital pin 27
+  PB_13, // Digital pin 28
+  PB_14, // Digital pin 29
+  PB_15, // Digital pin 30
+
+  PC_0,  // Digital pin 31
+  PC_1,  // Digital pin 32
+  PC_2,  // Digital pin 33
+  PC_3,  // Digital pin 34
+  PC_4,  // Digital pin 35
+  PC_5,  // Digital pin 36
+  PC_6,  // Digital pin 37
+  PC_7,  // Digital pin 38
+  PC_8,  // Digital pin 39
+  PC_9,  // Digital pin 40
+  PC_10, // Digital pin 41
+  PC_11, // Digital pin 42
+  PC_12, // Digital pin 43
+  PC_13, // Digital pin 44
+  PC_14, // Digital pin 45
+  PC_15, // Digital pin 46
+
+  PD_2,  // Digital pin 47
+
+  PH_0,  // Digital pin 48, used by the external oscillator
+  PH_1   // Digital pin 49, used by the external oscillator
+};
+
+// Analog (Ax) pin number array
+const uint32_t analogInputPin[] = {
+  0,  // A0,  PA0
+  1,  // A1,  PA1
+  2,  // A2,  PA2
+  3,  // A3,  PA3
+  4,  // A4,  PA4
+  5,  // A5,  PA5
+  6,  // A6,  PA6
+  7,  // A7,  PA7
+  16, // A8,  PB0
+  17, // A9,  PB1
+  31, // A10, PC0
+  32, // A11, PC1
+  33, // A12, PC2
+  34, // A13, PC3
+  35, // A14, PC4
+  36  // A15, PC5
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+// ----------------------------------------------------------------------------
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * @brief  Configures the System clock source, PLL Multiplier and Divider factors,
+ *               AHB/APBx prescalers and Flash settings
+ * @note   This function should be called only once the RCC clock configuration
+ *         is reset to the default reset state (done in SystemInit() function).
+ * @param  None
+ * @retval None
+ */
+
+/******************************************************************************/
+/*            PLL (clocked by HSE) used as System clock source                */
+/******************************************************************************/
+static uint8_t SetSysClock_PLL_HSE(uint8_t bypass)
+{
+  RCC_OscInitTypeDef RCC_OscInitStruct;
+  RCC_ClkInitTypeDef RCC_ClkInitStruct;
+
+  /* The voltage scaling allows optimizing the power consumption when the device is
+  clocked below the maximum system frequency, to update the voltage scaling value
+  regarding system frequency refer to product datasheet. */
+  __HAL_RCC_PWR_CLK_ENABLE();
+  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE2);
+
+  // Enable HSE oscillator and activate PLL with HSE as source
+  RCC_OscInitStruct.OscillatorType      = RCC_OSCILLATORTYPE_HSE;
+  if (bypass == 0) {
+    RCC_OscInitStruct.HSEState          = RCC_HSE_ON; // External 8 MHz xtal on OSC_IN/OSC_OUT
+  } else {
+    RCC_OscInitStruct.HSEState          = RCC_HSE_BYPASS; // External 8 MHz clock on OSC_IN
+  }
+
+  RCC_OscInitStruct.PLL.PLLState        = RCC_PLL_ON;
+  RCC_OscInitStruct.PLL.PLLSource       = RCC_PLLSOURCE_HSE;
+  RCC_OscInitStruct.PLL.PLLM            = HSE_VALUE / 1000000L; // Expects an 8 MHz external clock by default. Redefine HSE_VALUE if not
+  RCC_OscInitStruct.PLL.PLLN            = 336;           // VCO output clock = 336 MHz (1 MHz * 336)
+  RCC_OscInitStruct.PLL.PLLP            = RCC_PLLP_DIV4; // PLLCLK = 84 MHz (336 MHz / 4)
+  RCC_OscInitStruct.PLL.PLLQ            = 7;             // USB clock = 48 MHz (336 MHz / 7) --> OK for USB
+  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
+    return 0; // FAIL
+  }
+
+  // Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers
+  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
+  RCC_ClkInitStruct.SYSCLKSource   = RCC_SYSCLKSOURCE_PLLCLK; // 84 MHz
+  RCC_ClkInitStruct.AHBCLKDivider  = RCC_SYSCLK_DIV1;         // 84 MHz
+  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;           // 42 MHz
+  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;           // 84 MHz
+  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) {
+    return 0; // FAIL
+  }
+
+  /* Output clock on MCO1 pin(PA8) for debugging purpose */
+  /*
+  if (bypass == 0)
+    HAL_RCC_MCOConfig(RCC_MCO1, RCC_MCO1SOURCE_HSE, RCC_MCODIV_2); // 4 MHz
+  else
+    HAL_RCC_MCOConfig(RCC_MCO1, RCC_MCO1SOURCE_HSE, RCC_MCODIV_1); // 8 MHz
+  */
+
+  return 1; // OK
+}
+
+/******************************************************************************/
+/*            PLL (clocked by HSI) used as System clock source                */
+/******************************************************************************/
+uint8_t SetSysClock_PLL_HSI(void)
+{
+  RCC_OscInitTypeDef RCC_OscInitStruct;
+  RCC_ClkInitTypeDef RCC_ClkInitStruct;
+
+  /* The voltage scaling allows optimizing the power consumption when the device is
+    clocked below the maximum system frequency, to update the voltage scaling value
+    regarding system frequency refer to product datasheet. */
+  __HAL_RCC_PWR_CLK_ENABLE();
+  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE2);
+
+  // Enable HSI oscillator and activate PLL with HSI as source
+  RCC_OscInitStruct.OscillatorType      = RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_HSE;
+  RCC_OscInitStruct.HSIState            = RCC_HSI_ON;
+  RCC_OscInitStruct.HSEState            = RCC_HSE_OFF;
+  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
+  RCC_OscInitStruct.PLL.PLLState        = RCC_PLL_ON;
+  RCC_OscInitStruct.PLL.PLLSource       = RCC_PLLSOURCE_HSI;
+  RCC_OscInitStruct.PLL.PLLM            = 16;            // VCO input clock = 1 MHz (16 MHz / 16)
+  RCC_OscInitStruct.PLL.PLLN            = 336;           // VCO output clock = 336 MHz (1 MHz * 336)
+  RCC_OscInitStruct.PLL.PLLP            = RCC_PLLP_DIV4; // PLLCLK = 84 MHz (336 MHz / 4)
+  RCC_OscInitStruct.PLL.PLLQ            = 7;             // USB clock = 48 MHz (336 MHz / 7) --> freq is ok but not precise enough
+  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
+    return 0; // FAIL
+  }
+
+  /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers */
+  RCC_ClkInitStruct.ClockType      = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
+  RCC_ClkInitStruct.SYSCLKSource   = RCC_SYSCLKSOURCE_PLLCLK; // 84 MHz
+  RCC_ClkInitStruct.AHBCLKDivider  = RCC_SYSCLK_DIV1;         // 84 MHz
+  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;           // 42 MHz
+  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;           // 84 MHz
+  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) {
+    return 0; // FAIL
+  }
+
+  /* Output clock on MCO1 pin(PA8) for debugging purpose */
+  //HAL_RCC_MCOConfig(RCC_MCO1, RCC_MCO1SOURCE_HSI, RCC_MCODIV_1); // 16 MHz
+
+  return 1; // OK
+}
+
+WEAK void SystemClock_Config(void)
+{
+  /* 1- If fail try to start with HSE and external xtal */
+  if (SetSysClock_PLL_HSE(0) == 0) {
+    /* 2- Try to start with HSE and external clock */
+    if (SetSysClock_PLL_HSE(1) == 0) {
+      /* 3- If fail start with HSI clock */
+      if (SetSysClock_PLL_HSI() == 0) {
+        Error_Handler();
+      }
+    }
+  }
+  /* Output clock on MCO2 pin(PC9) for debugging purpose */
+  //HAL_RCC_MCOConfig(RCC_MCO2, RCC_MCO2SOURCE_SYSCLK, RCC_MCODIV_4);
+}
+
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/buildroot/share/PlatformIO/variants/MARLIN_CREALITY_STM32F401RC/variant.h b/buildroot/share/PlatformIO/variants/MARLIN_CREALITY_STM32F401RC/variant.h
new file mode 100644
index 0000000000..b5a4e5ef80
--- /dev/null
+++ b/buildroot/share/PlatformIO/variants/MARLIN_CREALITY_STM32F401RC/variant.h
@@ -0,0 +1,151 @@
+/*
+  Copyright (c) 2011 Arduino.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef _VARIANT_ARDUINO_STM32_
+#define _VARIANT_ARDUINO_STM32_
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+
+//                  | DIGITAL | ANALOG | USART     | TWI      | SPI                    | SPECIAL   |
+//                  |---------|--------|-----------|----------|------------------------|-----------|
+#define PA0  0   // | 0       | A0     |           |          |                        |           |
+#define PA1  1   // | 1       | A1     |           |          |                        |           |
+#define PA2  2   // | 2       | A2     | USART2_TX |          |                        |           |
+#define PA3  3   // | 3       | A3     | USART2_RX |          |                        |           |
+#define PA4  4   // | 4       | A4     |           |          | SPI1_SS, (SPI3_SS)     |           |
+#define PA5  5   // | 5       | A5     |           |          | SPI1_SCK               |           |
+#define PA6  6   // | 6       | A6     |           |          | SPI1_MISO              |           |
+#define PA7  7   // | 7       | A7     |           |          | SPI1_MOSI              |           |
+#define PA8  8   // | 8       |        |           | TWI3_SCL |                        |           |
+#define PA9  9   // | 9       |        | USART1_TX |          |                        |           |
+#define PA10 10  // | 10      |        | USART1_RX |          |                        |           |
+#define PA11 11  // | 11      |        | USART6_TX |          |                        |           |
+#define PA12 12  // | 12      |        | USART6_RX |          |                        |           |
+#define PA13 13  // | 13      |        |           |          |                        | SWD_SWDIO |
+#define PA14 14  // | 14      |        |           |          |                        | SWD_SWCLK |
+#define PA15 15  // | 15      |        |           |          | SPI3_SS, (SPI1_SS)     |           |
+//                  |---------|--------|-----------|----------|------------------------|-----------|
+#define PB0  16  // | 16      | A8     |           |          |                        |           |
+#define PB1  17  // | 17      | A9     |           |          |                        |           |
+#define PB2  18  // | 18      |        |           |          |                        | BOOT1     |
+#define PB3  19  // | 19      |        |           | TWI2_SDA | SPI3_SCK,  (SPI1_SCK)  |           |
+#define PB4  20  // | 20      |        |           | TWI3_SDA | SPI3_MISO, (SPI1_MISO) |           |
+#define PB5  21  // | 21      |        |           |          | SPI3_MOSI, (SPI1_MOSI) |           |
+#define PB6  22  // | 22      |        | USART1_TX | TWI1_SCL |                        |           |
+#define PB7  23  // | 23      |        | USART1_RX | TWI1_SDA |                        |           |
+#define PB8  24  // | 24      |        |           | TWI1_SCL |                        |           |
+#define PB9  25  // | 25      |        |           | TWI1_SDA | SPI2_SS                |           |
+#define PB10 26  // | 26      |        |           | TWI2_SCL | SPI2_SCK               |           |
+#define PB12 27  // | 27      |        |           |          | SPI2_SS                |           |
+#define PB13 28  // | 28      |        |           |          | SPI2_SCK               |           |
+#define PB14 29  // | 29      |        |           |          | SPI2_MISO              |           |
+#define PB15 30  // | 30      |        |           |          | SPI2_MOSI              |           |
+//                  |---------|--------|-----------|----------|------------------------|-----------|
+#define PC0  31  // | 31      | A10    |           |          |                        |           |
+#define PC1  32  // | 32      | A11    |           |          |                        |           |
+#define PC2  33  // | 33      | A12    |           |          | SPI2_MISO              |           |
+#define PC3  34  // | 34      | A13    |           |          | SPI2_MOSI              |           |
+#define PC4  35  // | 35      | A14    |           |          |                        |           |
+#define PC5  36  // | 36      | A15    |           |          |                        |           |
+#define PC6  37  // | 37      |        | USART6_TX |          |                        |           |
+#define PC7  38  // | 38      |        | USART6_RX |          |                        |           |
+#define PC8  39  // | 39      |        |           |          |                        |           |
+#define PC9  40  // | 40      |        |           | TWI3_SDA |                        |           |
+#define PC10 41  // | 41      |        |           |          | SPI3_SCK               |           |
+#define PC11 42  // | 42      |        |           |          | SPI3_MISO              |           |
+#define PC12 43  // | 43      |        |           |          | SPI3_MOSI              |           |
+#define PC13 44  // | 44      |        |           |          |                        |           |
+#define PC14 45  // | 45      |        |           |          |                        | OSC32_IN  |
+#define PC15 46  // | 46      |        |           |          |                        | OSC32_OUT |
+//                  |---------|--------|-----------|----------|------------------------|-----------|
+#define PD2  47  // | 47      |        |           |          |                        |           |
+//                  |---------|--------|-----------|----------|------------------------|-----------|
+#define PH0  48  // | 48      |        |           |          |                        | OSC_IN    |
+#define PH1  49  // | 49      |        |           |          |                        | OSC_OUT   |
+//                  |---------|--------|-----------|----------|------------------------|-----------|
+
+// This must be a literal
+#define NUM_DIGITAL_PINS        50
+#define NUM_ANALOG_INPUTS       16
+
+// SPI definitions
+#define PIN_SPI_SS              PA4
+#define PIN_SPI_SS1             PA4
+#define PIN_SPI_MOSI            PA7
+#define PIN_SPI_MISO            PA6
+#define PIN_SPI_SCK             PA5
+
+
+// Timer Definitions
+#define TIMER_TONE              TIM2
+#define TIMER_SERVO             TIM5
+#define TIMER_SERIAL            TIM11
+
+// UART Definitions
+//#define ENABLE_HWSERIAL1        done automatically by the #define SERIAL_UART_INSTANCE below
+#define ENABLE_HWSERIAL2
+
+
+// Define here Serial instance number to map on Serial generic name (if not already used by SerialUSB)
+#define SERIAL_UART_INSTANCE    1 //1 for Serial = Serial1 (USART1)
+
+// Default pin used for 'Serial' instance
+// Mandatory for Firmata
+#define PIN_SERIAL_RX           PA10
+#define PIN_SERIAL_TX           PA9
+
+// Used when user instanciate a hardware Serial using its peripheral name.
+// Example: HardwareSerial mySerial(USART3);
+// will use PIN_SERIAL3_RX and PIN_SERIAL3_TX if defined.
+#define PIN_SERIAL1_RX          PA10
+#define PIN_SERIAL1_TX          PA9
+#define PIN_SERIAL2_RX          PA3
+#define PIN_SERIAL2_TX          PA2
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+/*----------------------------------------------------------------------------
+ *        Arduino objects - C++ only
+ *----------------------------------------------------------------------------*/
+
+#ifdef __cplusplus
+  // These serial port names are intended to allow libraries and architecture-neutral
+  // sketches to automatically default to the correct port name for a particular type
+  // of use.  For example, a GPS module would normally connect to SERIAL_PORT_HARDWARE_OPEN,
+  // the first hardware serial port whose RX/TX pins are not dedicated to another use.
+  //
+  // SERIAL_PORT_MONITOR        Port which normally prints to the Arduino Serial Monitor
+  //
+  // SERIAL_PORT_USBVIRTUAL     Port which is USB virtual serial
+  //
+  // SERIAL_PORT_LINUXBRIDGE    Port which connects to a Linux system via Bridge library
+  //
+  // SERIAL_PORT_HARDWARE       Hardware serial port, physical RX & TX pins.
+  //
+  // SERIAL_PORT_HARDWARE_OPEN  Hardware serial ports which are open for use.  Their RX & TX
+  //                            pins are NOT connected to anything by default.
+  #define SERIAL_PORT_MONITOR         Serial
+  #define SERIAL_PORT_HARDWARE        Serial1
+  #define SERIAL_PORT_HARDWARE_OPEN   Serial2
+#endif
+
+#endif /* _VARIANT_ARDUINO_STM32_ */
\ No newline at end of file
diff --git a/buildroot/tests/FYSETC_F6 b/buildroot/tests/FYSETC_F6
index 9306686af5..17f8eb42b1 100755
--- a/buildroot/tests/FYSETC_F6
+++ b/buildroot/tests/FYSETC_F6
@@ -10,7 +10,7 @@ set -e
 # Build with the default configurations
 #
 restore_configs
-opt_set MOTHERBOARD BOARD_FYSETC_F6_13
+opt_set MOTHERBOARD BOARD_FYSETC_F6_13 LCD_SERIAL_PORT 1
 opt_enable DGUS_LCD_UI_FYSETC
 exec_test $1 $2 "FYSETC F6 1.3 with DGUS" "$3"
 
diff --git a/buildroot/tests/STM32F103RE_creality b/buildroot/tests/STM32F103RE_creality
index 6440c56792..a5d2899dd5 100755
--- a/buildroot/tests/STM32F103RE_creality
+++ b/buildroot/tests/STM32F103RE_creality
@@ -13,12 +13,6 @@ use_example_configs "Creality/Ender-3 V2/CrealityV422/CrealityUI"
 opt_enable MARLIN_DEV_MODE BUFFER_MONITORING BLTOUCH AUTO_BED_LEVELING_BILINEAR Z_SAFE_HOMING
 exec_test $1 $2 "Ender 3 v2 with CrealityUI" "$3"
 
-use_example_configs "Creality/Ender-3 V2/CrealityV422/CrealityUI"
-opt_disable DWIN_CREALITY_LCD
-opt_enable BLTOUCH AUTO_BED_LEVELING_UBL Z_SAFE_HOMING INDIVIDUAL_AXIS_HOMING_SUBMENU LCD_SET_PROGRESS_MANUALLY STATUS_MESSAGE_SCROLLING BAUD_RATE_GCODE \
-           DWIN_LCD_PROUI SOUND_MENU_ITEM PRINTCOUNTER
-exec_test $1 $2 "Ender 3 v2 with ProUI" "$3"
-
 use_example_configs "Creality/Ender-3 V2/CrealityV422/CrealityUI"
 opt_disable DWIN_CREALITY_LCD
 opt_enable DWIN_CREALITY_LCD_JYERSUI AUTO_BED_LEVELING_BILINEAR PROBE_MANUALLY
diff --git a/buildroot/tests/STM32F401RC_creality b/buildroot/tests/STM32F401RC_creality
new file mode 100755
index 0000000000..c7cd464df0
--- /dev/null
+++ b/buildroot/tests/STM32F401RC_creality
@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+#
+# Build tests for STM32F401RC_creality
+#
+
+# exit on first failure
+set -e
+
+use_example_configs "Creality/Ender-3 S1"
+opt_disable DWIN_CREALITY_LCD Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN AUTO_BED_LEVELING_BILINEAR CONFIGURATION_EMBEDDING CANCEL_OBJECTS FWRETRACT
+opt_enable DWIN_LCD_PROUI INDIVIDUAL_AXIS_HOMING_SUBMENU LCD_SET_PROGRESS_MANUALLY STATUS_MESSAGE_SCROLLING \
+           SOUND_MENU_ITEM PRINTCOUNTER NOZZLE_PARK_FEATURE ADVANCED_PAUSE_FEATURE FILAMENT_RUNOUT_SENSOR \
+           BLTOUCH Z_SAFE_HOMING AUTO_BED_LEVELING_UBL MESH_EDIT_MENU \
+           LIMITED_MAX_FR_EDITING LIMITED_MAX_ACCEL_EDITING LIMITED_JERK_EDITING BAUD_RATE_GCODE
+opt_set MOTHERBOARD BOARD_CREALITY_V24S1_301F4 \
+        PREHEAT_3_LABEL '"CUSTOM"' PREHEAT_3_TEMP_HOTEND 240 PREHEAT_3_TEMP_BED 60 PREHEAT_3_FAN_SPEED 128
+exec_test $1 $2 "Ender-3 S1 with ProUI" "$3"
+
+# clean up
+restore_configs
diff --git a/ini/stm32f1-maple.ini b/ini/stm32f1-maple.ini
index 9ea848f1b6..f0a0f93758 100644
--- a/ini/stm32f1-maple.ini
+++ b/ini/stm32f1-maple.ini
@@ -147,6 +147,14 @@ extra_scripts        = ${common_stm32f1.extra_scripts}
 debug_tool           = jlink
 upload_protocol      = jlink
 
+#
+# Creality (STM32F103RET6)
+#
+[env:STM32F103RE_creality_smartPro_maple]
+extends              = env:STM32F103RE_creality_maple
+board_build.address  = 0x08010000
+board_build.ldscript = crealityPro.ld
+
 #
 # BigTree SKR Mini E3 V2.0 & DIP / SKR CR6 (STM32F103RET6 ARM Cortex-M3)
 #
diff --git a/ini/stm32f1.ini b/ini/stm32f1.ini
index 9002f81a81..464048adcb 100644
--- a/ini/stm32f1.ini
+++ b/ini/stm32f1.ini
@@ -153,6 +153,11 @@ board   = genericSTM32F103RE
 extends = STM32F103Rx_creality_xfer
 board   = genericSTM32F103RE
 
+[env:STM32F103RE_creality_smartPro]
+extends                     = STM32F103Rx_creality
+board_build.offset          = 0x10000
+board_upload.offset_address = 0x08010000
+
 #
 # Creality 256K (STM32F103RC)
 #
diff --git a/ini/stm32f4.ini b/ini/stm32f4.ini
index 437dbdcd9b..688cc10547 100644
--- a/ini/stm32f4.ini
+++ b/ini/stm32f4.ini
@@ -251,11 +251,14 @@ build_unflags     = ${env:BIGTREE_SKR_2_F429_USB.build_unflags} -Os -NDEBUG
 # BigTreeTech Octopus V1.0/1.1 / Octopus Pro V1.0 (STM32F446ZET6 ARM Cortex-M4)
 #
 [env:BIGTREE_OCTOPUS_V1]
-extends            = stm32_variant
-board              = marlin_BigTree_Octopus_v1
-board_build.offset = 0x8000
-build_flags        = ${stm32_variant.build_flags}
-                     -DSTM32F446_5VX -DUSE_USB_HS_IN_FS
+extends                     = stm32_variant
+board                       = marlin_BigTree_Octopus_v1
+board_build.offset          = 0x8000
+board_upload.offset_address = 0x08008000
+debug_tool                  = stlink
+upload_protocol             = stlink
+build_flags                 = ${stm32_variant.build_flags}
+                              -DSTM32F446_5VX -DUSE_USB_HS_IN_FS
 
 #
 # BigTreeTech Octopus V1.0/1.1 / Octopus Pro V1.0 (STM32F446ZET6 ARM Cortex-M4) with USB Flash Drive Support
@@ -274,11 +277,14 @@ build_flags       = ${stm_flash_drive.build_flags}
 # BigTreeTech Octopus Pro V1.0 (STM32F429ZGT6 ARM Cortex-M4)
 #
 [env:BIGTREE_OCTOPUS_PRO_V1_F429]
-extends            = stm32_variant
-board              = marlin_BigTree_Octopus_Pro_v1_F429
-board_build.offset = 0x8000
-build_flags        = ${stm32_variant.build_flags}
-                     -DUSE_USB_HS_IN_FS
+extends                     = stm32_variant
+board                       = marlin_BigTree_Octopus_Pro_v1_F429
+board_build.offset          = 0x8000
+board_upload.offset_address = 0x08008000
+debug_tool                  = stlink
+upload_protocol             = stlink
+build_flags                 = ${stm32_variant.build_flags}
+                              -DUSE_USB_HS_IN_FS
 
 #
 # BigTreeTech Octopus Pro V1.0 (STM32F429ZGT6 ARM Cortex-M4) with USB Flash Drive Support
@@ -588,4 +594,31 @@ build_flags       = ${common_stm32.build_flags}
                     -DUSB_PRODUCT=\"Artillery_3D_Printer\"
                     -DFLASH_DATA_SECTOR=1U -DFLASH_BASE_ADDRESS=0x08004000
 extra_scripts     = ${common_stm32.extra_scripts}
-  pre:buildroot/share/PlatformIO/scripts/generic_create_variant.py
+                    pre:buildroot/share/PlatformIO/scripts/generic_create_variant.py
+
+#
+# Ender-3 S1 STM32F401RC_creality
+#
+[env:STM32F401RC_creality]
+extends                     = stm32_variant
+board                       = genericSTM32F401RC
+board_build.variant         = MARLIN_CREALITY_STM32F401RC
+board_build.offset          = 0x10000
+board_upload.offset_address = 0x08010000
+build_flags                 = ${stm32_variant.build_flags} -DMCU_STM32F401RC -DSTM32F4
+                              -DSS_TIMER=4 -DTIMER_SERVO=TIM5
+                              -DENABLE_HWSERIAL3 -DTRANSFER_CLOCK_DIV=8
+build_unflags               = ${stm32_variant.build_unflags} -DUSBCON -DUSBD_USE_CDC
+extra_scripts               = ${stm32_variant.extra_scripts}
+                              pre:buildroot/share/PlatformIO/scripts/random-bin.py
+monitor_speed               = 115200
+
+[env:STM32F401RC_creality_jlink]
+extends                     = env:STM32F401RC_creality
+debug_tool                  = jlink
+upload_protocol             = jlink
+
+[env:STM32F401RC_creality_stlink]
+extends                     = env:STM32F401RC_creality
+debug_tool                  = stlink
+upload_protocol             = stlink