Geeetech GT2560

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Introduction

The Geeetech GT2560 is an Ultimaker derived board. It is a single-board design, which has an integrated ATMega2560 16Mhz processor.

The stepper drivers are socketed, and the GT2560 can use any standard StepStick compliant stepper driver.

Jumpers

JP2 on the GT2560 is used to select between 12v (JP2 OPEN) and 24v (JP2 CLOSED) operation.

Pinout

Arduino Pinout of the Geeetech GT2560
Pin Connector Label Comment
n/a DC_IN n/a 12V-24V/15A (see JP2)
A2 HEATER1 HEATER_0 Extruder 0 PWM
A8 TEMP1 TEMP_0 Extruder 0 Thermistor
A3 HEATER2 HEATER_2 Extruder 1 PWM
A9 TEMP2 TEMP_2 Extruder 1 Thermistor
A4 HOT_BED HEATER_1 Bed heater PWM
A10 TEMP3 TEMP_1 Bed heater Thermistor
27 X X_ENABLE X Enable
25 X X_STEP X Step
23 X X_DIR X Direction
22 X_MIN ENDSTOP_X_MIN X Min Endstop
24 X_MAX ENDSTOP_X_MAX X Max Endstop
29 Y Y_ENABLE Y Enable
31 Y Y_STEP Y Step
33 Y Y_DIR Y Direction
26 Y_MIN ENDSTOP_Y_MIN Y Min Endstop
28 Y_MAX ENDSTOP_Y_MAX Y Max Endstop
35 Z Z_ENABLE Z Enable
37 Z Z_STEP Z Step
39 Z Z_DIR Z Direction
30 Z_MIN ENDSTOP_Z_MIN Z Min Endstop
32 Z_MAX ENDSTOP_Z_MAX Z Max Endstop
41 E E0_ENABLE E0 Enable
43 E E0_STEP E0 Step
45 E E0_DIR E0 Direction
48 A E1_ENABLE E1 Enable
49 A E1_STEP E1 Step
47 A E1_DIR E1 Direction
18 LCD BEEPER LCD beeper
20 LCD LCD_RS LCD RS pin
17 LCD LCD_RW LCD RW pin
16 LCD LCD_D4 LCD D4
21 LCD LCD_D5 LCD D5
5 LCD LCD_D6 LCD D6
6 LCD LCD_D7 LCD D7
42 LCD ENCODER_A Knob encoder A signal
40 LCD ENCODER_B Knob encoder B signal
19 LCD ENCODER_CLICK Knob pushbutton
13 LED LED System LED
A7 PWM FAN PWM controlled fan
12 PS_ON Motor power enable
52 SD SD_CLOCK Clock for SD card
50 SD SD_MISO Data from SD to Arduino
51 SD SD_MOSI Data to SD from Arduino
53 SD SD_SELECT SD card enable
38 SD SD_DETECT SD card detect