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								/**
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								 * Marlin 3D Printer Firmware
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								 * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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								 *
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								 * Based on Sprinter and grbl.
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								 * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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								 *
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								 * This program is free software: you can redistribute it and/or modify
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								 * it under the terms of the GNU General Public License as published by
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								 * the Free Software Foundation, either version 3 of the License, or
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								 * (at your option) any later version.
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								 *
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								 * This program is distributed in the hope that it will be useful,
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								 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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								 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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								 * GNU General Public License for more details.
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								 *
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								 * You should have received a copy of the GNU General Public License
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								 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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								 *
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								 */
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								/**
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								 * MegaTronics v3.0 pin assignments
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								 */
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								#ifndef __AVR_ATmega2560__
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								  #error "Oops!  Make sure you have 'Arduino Mega' selected from the 'Tools -> Boards' menu."
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								#endif
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								#define MEGATRONICS_31
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								#if ENABLED(MEGATRONICS_31)
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								  #define BOARD_NAME       "Megatronics v3.1"
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								#else
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								  #define BOARD_NAME       "Megatronics v3.0"
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								#endif
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								#define LARGE_FLASH        true
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								//
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								// Servos
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								//
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								#define SERVO0_PIN         46 // AUX3-6
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								#define SERVO1_PIN         47 // AUX3-5
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								#define SERVO2_PIN         48 // AUX3-4
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								#define SERVO3_PIN         49 // AUX3-3
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								//
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								// Limit Switches
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								//
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								#define X_MIN_PIN          37
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								#define X_MAX_PIN          40
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								#define Y_MIN_PIN          41
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								#define Y_MAX_PIN          38
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								#define Z_MIN_PIN          18
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								#define Z_MAX_PIN          19
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								//
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								// Z Probe (when not Z_MIN_PIN)
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								//
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								#ifndef Z_MIN_PROBE_PIN
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								  #define Z_MIN_PROBE_PIN  19
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								#endif
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								//
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								// Steppers
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								//
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								#define X_STEP_PIN         58
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								#define X_DIR_PIN          57
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								#define X_ENABLE_PIN       59
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								#define Y_STEP_PIN          5
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								#define Y_DIR_PIN          17
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								#define Y_ENABLE_PIN        4
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								#define Z_STEP_PIN         16
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								#define Z_DIR_PIN          11
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								#define Z_ENABLE_PIN        3
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								#define E0_STEP_PIN        28
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								#define E0_DIR_PIN         27
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								#define E0_ENABLE_PIN      29
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								#define E1_STEP_PIN        25
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								#define E1_DIR_PIN         24
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								#define E1_ENABLE_PIN      26
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								#define E2_STEP_PIN        22
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								#define E2_DIR_PIN         60
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								#define E2_ENABLE_PIN      23
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								//
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								// Misc. Functions
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								//
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								#define SDSS               53
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								#define LED_PIN            13
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								#define PS_ON_PIN          12
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								#define SLED_PIN           -1
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								//
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								// Temperature Sensors
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								//
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								#if TEMP_SENSOR_0 == -1
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								  #define TEMP_0_PIN       11   // Analog Input
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								#else
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								  #define TEMP_0_PIN       15   // Analog Input
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								#endif
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								#if TEMP_SENSOR_1 == -1
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								  #define TEMP_1_PIN       10   // Analog Input
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								#else
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								  #define TEMP_1_PIN       13   // Analog Input
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								#endif
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								#if TEMP_SENSOR_2 == -1
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								  #define TEMP_2_PIN        9   // Analog Input
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								#else
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								  #define TEMP_2_PIN       12   // Analog Input
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								#endif
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								#if TEMP_SENSOR_BED == -1
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								  #define TEMP_BED_PIN      8   // Analog Input
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								#else
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								  #define TEMP_BED_PIN     14   // Analog Input
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								#endif
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								//
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								// Heaters / Fans
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								//
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								#define HEATER_0_PIN        2
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								#define HEATER_1_PIN        9
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								#define HEATER_2_PIN        8
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								#define HEATER_BED_PIN     10
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								#define FAN_PIN             6
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								#define FAN1_PIN            7
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								//
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								// LCD / Controller
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								//
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								#define BEEPER_PIN         61
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								#define BTN_EN1            44
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								#define BTN_EN2            45
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								#define BTN_ENC            33
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								#if ENABLED(REPRAPWORLD_GRAPHICAL_LCD)
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								  #define LCD_PINS_RS      56 // CS chip select / SS chip slave select
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								  #define LCD_PINS_ENABLE  51 // SID (MOSI)
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								  #define LCD_PINS_D4      52 // SCK (CLK) clock
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								  #define SD_DETECT_PIN    35
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								#else
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								  #define LCD_PINS_RS      32
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								  #define LCD_PINS_ENABLE  31
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								  #define LCD_PINS_D4      14
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								  #define LCD_PINS_D5      30
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								  #define LCD_PINS_D6      39
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								  #define LCD_PINS_D7      15
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								  #define SHIFT_CLK        43
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								  #define SHIFT_LD         35
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								  #define SHIFT_OUT        34
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								  #define SHIFT_EN         44
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								  #if ENABLED(MEGATRONICS_31)
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								    #define SD_DETECT_PIN  56
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								  #else
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								    #define SD_DETECT_PIN  -1
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								  #endif
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								#endif
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