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Product Type Control Boards
Model Specifics
Compatible Models Reprap Prusa i3 MK3 MK3S
Package Type OEM
Package Contents 1*Control Board, 1*Data Cable, 1*Terminal, 4*Heat Sinks
Dimensions us | metric
Depth 10 mm
Height 70 mm
Width 105 mm
Product Weight 146 g
SKU 9708835
DATE LISTED 9/6/2019


    • For Arduino MEGA compatible Atmega2560 and Atmega32u2 processors are compatible with all RAMPS class firmware
    • Crystals for both usb and mcu (timing accurate to 10ppm)
    • 3 Thermistor jacks + 4th Thermistor circuit on ZProbe.

     Motor Drivers

    • 4 Trinamic TMC2130 1/256th microstep motor drivers(2 connectors on Z for Prusa Mendel and other dual Z printer designs)
    • SPI Control of stepper current instead of PWM.
    • Microstep mode configured by MCU through firmware (SPI, no jumpers needed)
    • PWM DC outputs (Extruders, Fans, Etc.)

    4 outputs (1 Extruder, 1 BED, 2 low power (fan,etc)

    • Low resistance mosfets for cool running
    • Indicator led for each channel
    • FANS have 3pin fan connector.
    • FANS have 5V instead of 12-24V power source.
    • FAN connectors have tachometer feedback pin to the MCU to measure fan speed in capable firmware.


    • 2 power input rails
    • Heated Bed, 15A 12-24V (15A dedicated fuse)
    • Primary Power 10A 12-24V: Motors, Logic & Fans (5A dedicated fuse) + Extruder (5A dedicated fuse)
    • Built in SMPS for 5V generation from the Motors, Logic & Fans rail
    • Provides 5V power to FANS


    • 4-pin motor, zprobe plug – Molex 5057-9404
    • 3-pin fan plug – Molex 5057-9403
    • 2-pin thermistor, mech. endstop plug – Molex 5057-9402

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    This item is covered by manufacturer's warranty.
    Electronic components cannot be returned once modified and/or installed.
    FastTech's damaged on arrival protection still applies.

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