diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 447cee0958..1fe970a660 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -71,6 +71,7 @@
 // 83 = SAV Mk-I (AT90USB1286)
 // 84 = Teensy++2.0 (AT90USB1286) // CLI compile: DEFINES=AT90USBxx_TEENSYPP_ASSIGNMENTS HARDWARE_MOTHERBOARD=84  make
 // 9  = Gen3+
+// 22 = Gen3 Monolithic Electronics
 // 70 = Megatronics
 // 701= Megatronics v2.0
 // 702= Minitronics v1.0
diff --git a/Marlin/Makefile b/Marlin/Makefile
index 3bd0ae3bf4..4cc9de1684 100644
--- a/Marlin/Makefile
+++ b/Marlin/Makefile
@@ -157,6 +157,11 @@ else ifeq  ($(HARDWARE_MOTHERBOARD),9)
 HARDWARE_VARIANT ?= Sanguino
 MCU              ?= atmega644p
 
+#Gen3 Monolithic Electronics
+else ifeq  ($(HARDWARE_MOTHERBOARD),22)
+HARDWARE_VARIANT ?= Sanguino
+MCU              ?= atmega644p
+
 #Megatronics
 else ifeq  ($(HARDWARE_MOTHERBOARD),70)
 HARDWARE_VARIANT ?= arduino
diff --git a/Marlin/pins.h b/Marlin/pins.h
index 72424a0d99..13cb9053e9 100644
--- a/Marlin/pins.h
+++ b/Marlin/pins.h
@@ -2118,7 +2118,72 @@ DaveX plan for Teensylu/printrboard-type pinouts (ref teensylu & sprinter) for a
 
 #endif
 
+/****************************************************************************************
+* Gen3  Monolithic Electronics
+*
+****************************************************************************************/
+#if MOTHERBOARD == 22
+#define KNOWN_BOARD 1
 
+#ifndef __AVR_ATmega644P__
+    #error Oops!  Make sure you have 'Sanguino' selected from the 'Tools -> Boards' menu.
+#endif
+
+#define DEBUG_PIN 0
+
+// x axis
+#define X_STEP_PIN 15
+#define X_DIR_PIN 18
+#define X_MIN_PIN 20
+//Alex Checar #define X_STOP_PIN         20
+#define X_ENABLE_PIN 24 //actually uses Y_enable_pin
+#define X_MAX_PIN -1
+
+// y axes
+#define Y_STEP_PIN 23
+#define Y_DIR_PIN 22
+#define Y_MIN_PIN 25
+//Alex Checar #define Y_STOP_PIN         25
+#define Y_ENABLE_PIN 24 //shared with X_enable_pin
+#define Y_MAX_PIN -1
+
+// z axes
+#define Z_STEP_PIN 27
+#define Z_DIR_PIN 28
+#define Z_MIN_PIN 30
+//Alex Checar #define Z_STOP_PIN         30
+#define Z_ENABLE_PIN 29
+#define Z_MAX_PIN -1
+
+//extruder pins
+#define E0_STEP_PIN         12
+#define E0_DIR_PIN          17
+#define E0_ENABLE_PIN       3
+
+#define HEATER_0_PIN 16
+#define TEMP_0_PIN 0
+
+#define FAN_PIN -1
+
+//bed pins
+#define HEATER_BED_PIN -1
+#define TEMP_BED_PIN -1
+
+
+#define SDSS		 -1
+#define SDPOWER          -1
+#define LED_PIN          -1
+
+//pin for controlling the PSU.
+#define PS_ON_PIN       14	//Alex, Do this work on the card?
+
+//Alex extras from Gen3+
+#define KILL_PIN           -1
+#define TEMP_1_PIN         -1
+#define TEMP_2_PIN         -1
+#define HEATER_2_PIN       -1
+
+#endif
 
 /****************************************************************************************
 * Open Motion controller with enable based extruders