Prusa MMU2 (#12967)

Marlin/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/Configuration_adv.h

    * Define you own with
    * { <off_time[1..15]>, <hysteresis_end[-3..12]>, hysteresis_start[1..8] }
    */
-  #define CHOPPER_TIMING CHOPPER_DEFAULT_12V
+  #define CHOPPER_TIMING { 4, -2, 1 }
 
   /**
    * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/HAL/HAL_AVR/MarlinSerial.cpp

 
 #endif // !USBCON && (UBRRH || UBRR0H || UBRR1H || UBRR2H || UBRR3H)
 
+
+#if defined(INTERNAL_SERIAL_PORT)
+
+    ISR(SERIAL_REGNAME(USART,INTERNAL_SERIAL_PORT,_RX_vect)) {
+      MarlinSerial<MarlinInternalSerialCfg<INTERNAL_SERIAL_PORT>>::store_rxd_char();
+    }
+
+    ISR(SERIAL_REGNAME(USART,INTERNAL_SERIAL_PORT,_UDRE_vect)) {
+      MarlinSerial<MarlinInternalSerialCfg<INTERNAL_SERIAL_PORT>>::_tx_udr_empty_irq();
+    }
+
+    // Preinstantiate
+    template class MarlinSerial<MarlinInternalSerialCfg<INTERNAL_SERIAL_PORT>>;
+
+    // Instantiate
+    MarlinSerial<MarlinInternalSerialCfg<INTERNAL_SERIAL_PORT>> internalSerial;
+
+#endif
 // For AT90USB targets use the UART for BT interfacing
 #if defined(USBCON) && ENABLED(BLUETOOTH)
   HardwareSerial bluetoothSerial;

Marlin/src/HAL/HAL_AVR/MarlinSerial.h

 
 #endif // !USBCON
 
+
+#if defined(INTERNAL_SERIAL_PORT)
+  template <uint8_t serial>
+  struct MarlinInternalSerialCfg {
+    static constexpr int PORT               = serial;
+    static constexpr unsigned int RX_SIZE   = 32;
+    static constexpr unsigned int TX_SIZE   = 32;
+    static constexpr bool XONOFF            = false;
+    static constexpr bool EMERGENCYPARSER   = false;
+    static constexpr bool DROPPED_RX        = false;
+    static constexpr bool RX_OVERRUNS       = false;
+    static constexpr bool RX_FRAMING_ERRORS = false;
+    static constexpr bool MAX_RX_QUEUED     = false;
+  };
+
+  extern MarlinSerial<MarlinInternalSerialCfg<INTERNAL_SERIAL_PORT>> internalSerial;
+#endif
+
 // Use the UART for Bluetooth in AT90USB configurations
 #if defined(USBCON) && ENABLED(BLUETOOTH)
   extern HardwareSerial bluetoothSerial;

Marlin/src/Marlin.cpp

   #include "feature/controllerfan.h"
 #endif
 
+#if ENABLED(PRUSA_MMU2)
+  #include "feature/prusa_MMU2/mmu2.h"
+#endif
+
 #if ENABLED(EXTENSIBLE_UI)
   #include "lcd/extensible_ui/ui_api.h"
 #endif
   #if ENABLED(USB_FLASH_DRIVE_SUPPORT)
     Sd2Card::idle();
   #endif
+
+  #if ENABLED(PRUSA_MMU2)
+    mmu2.mmuLoop();
+  #endif
 }
 
 /**
   #if HAS_TRINAMIC && DISABLED(PS_DEFAULT_OFF)
     test_tmc_connection(true, true, true, true);
   #endif
+
+  #if ENABLED(PRUSA_MMU2)
+    mmu2.init();
+  #endif
 }
 
 /**

Marlin/src/config/default/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/default/Configuration_adv.h

    * Define you own with
    * { <off_time[1..15]>, <hysteresis_end[-3..12]>, hysteresis_start[1..8] }
    */
-  #define CHOPPER_TIMING CHOPPER_DEFAULT_12V
+  #define CHOPPER_TIMING { 4, -2, 1 }
 
   /**
    * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/3DFabXYZ/Migbot/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/3DFabXYZ/Migbot/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/AlephObjects/TAZ4/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/AlephObjects/TAZ4/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/AliExpress/CL-260/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Anet/A2/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Anet/A2/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Anet/A2plus/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Anet/A2plus/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Anet/A6/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Anet/A6/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Anet/A8/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Anet/A8/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/AnyCubic/i3/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
   // ANYCUBIC I3 240C and 8 cycles
   #define  DEFAULT_Kp 17.80
   #define  DEFAULT_Ki 0.84
-  #define  DEFAULT_Kd 64.84 
+  #define  DEFAULT_Kd 64.84
 
   // Ultimaker
   //#define DEFAULT_Kp 22.2

Marlin/src/config/examples/AnyCubic/i3/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/ArmEd/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/ArmEd/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Azteeg/X5GT/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/BIBO/TouchX/default/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/BIBO/TouchX/default/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/BQ/Hephestos/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/BQ/Hephestos/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/BQ/Hephestos_2/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/BQ/Hephestos_2/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/BQ/WITBOX/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/BQ/WITBOX/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Cartesio/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Cartesio/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Creality/CR-10/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Creality/CR-10/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Creality/CR-10S/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Creality/CR-10S/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Creality/CR-10mini/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Creality/CR-10mini/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Creality/CR-8/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Creality/CR-8/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Creality/Ender-2/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Creality/Ender-2/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Creality/Ender-3/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Creality/Ender-3/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Creality/Ender-4/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Creality/Ender-4/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Einstart-S/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Einstart-S/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Felix/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Felix/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Felix/DUAL/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/FlashForge/CreatorPro/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/FlashForge/CreatorPro/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/FolgerTech/i3-2020/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/FolgerTech/i3-2020/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**
  * M43 - display pin status, watch pins for changes, watch endstops & toggle LED, Z servo probe test, toggle pins
  */
-#define PINS_DEBUGGING
+//#define PINS_DEBUGGING
 
 // Enable Marlin dev mode which adds some special commands
 //#define MARLIN_DEV_MODE

Marlin/src/config/examples/Formbot/Raptor/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Formbot/Raptor/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**
  * M43 - display pin status, watch pins for changes, watch endstops & toggle LED, Z servo probe test, toggle pins
  */
-#define PINS_DEBUGGING
+//#define PINS_DEBUGGING
 
 // Enable Marlin dev mode which adds some special commands
 //#define MARLIN_DEV_MODE

Marlin/src/config/examples/Formbot/T_Rex_2+/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Formbot/T_Rex_2+/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Formbot/T_Rex_3/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Formbot/T_Rex_3/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Geeetech/GT2560/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Geeetech/I3_Pro_X-GT2560/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Geeetech/MeCreator2/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Geeetech/MeCreator2/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/bltouch/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/noprobe/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Geeetech/Prusa i3 Pro C/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Geeetech/Prusa i3 Pro W/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Infitary/i3-M508/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Infitary/i3-M508/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/JGAurora/A5/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/JGAurora/A5/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/MakerParts/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/MakerParts/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Malyan/M150/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Malyan/M150/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Malyan/M200/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Malyan/M200/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Micromake/C1/basic/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Micromake/C1/enhanced/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Micromake/C1/enhanced/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Mks/Robin/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Mks/Robin/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/Mks/Sbase/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/Mks/Sbase/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/RapideLite/RL200/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/RapideLite/RL200/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**

Marlin/src/config/examples/RepRapPro/Huxley/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/RepRapWorld/Megatronics/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/RigidBot/Configuration.h

   //#define E_MUX2_PIN 44  // Needed for 5 to 8 inputs
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ *
+ * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
+ * Requires EXTRUDERS = 5
+ *
+ * For additional configuration see Configuration_adv.h
+ */
+//#define PRUSA_MMU2
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)

Marlin/src/config/examples/RigidBot/Configuration_adv.h

   #define WIFI_PWD  "Wifi Password"
 #endif
 
+/**
+ * Prusa Multi-Material Unit v2
+ * Enable in Configuration.h
+ */
+#if ENABLED(PRUSA_MMU2)
+
+  // Serial port used for communication with MMU2.
+  // For AVR enable the UART port used for the MMU. (e.g., internalSerial)
+  // For 32-bit boards check your HAL for available serial ports. (e.g., Serial2)
+  #define INTERNAL_SERIAL_PORT 2
+  #define MMU2_SERIAL internalSerial
+
+  // Use hardware reset for MMU if a pin is defined for it
+  //#define MMU2_RST_PIN 23
+
+  // Enable if the MMU2 has 12V stepper motors (MMU2 Firmware 1.0.2 and up)
+  //#define MMU2_MODE_12V
+
+  // G-code to execute when MMU2 F.I.N.D.A. probe detects filament runout
+  #define MMU2_FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // Add an LCD menu for MMU2
+  //#define MMU2_MENUS
+  #if ENABLED(MMU2_MENUS)
+    // Settings for filament load / unload from the LCD menu.
+    // This is for Prusa MK3-style extruders. Customize for your hardware.
+    #define MMU2_FILAMENTCHANGE_EJECT_FEED 80.0
+    #define MMU2_LOAD_TO_NOZZLE_SEQUENCE \
+      {  7.2,  562 }, \
+      { 14.4,  871 }, \
+      { 36.0, 1393 }, \
+      { 14.4,  871 }, \
+      { 50.0,  198 }
+
+    #define MMU2_RAMMING_SEQUENCE \
+      {   1.0, 1000 }, \
+      {   1.0, 1500 }, \
+      {   2.0, 2000 }, \
+      {   1.5, 3000 }, \
+      {   2.5, 4000 }, \
+      { -15.0, 5000 }, \
+      { -14.0, 1200 }, \
+      {  -6.0,  600 }, \
+      {  10.0,  700 }, \
+      { -10.0,  400 }, \
+      { -50.0, 2000 }
+
+  #endif
+
+  //#define MMU2_DEBUG  // Write debug info to serial output
+
+#endif // PRUSA_MMU2
+
 // @section develop
 
 /**