Ultimachine RAMBo v1.4 Complete Kit

This pre-assembled RAMBo motherboard is a full remix of the RAMPS design with the Arduino MEGA and stepper drivers all on one integrated PCB. The circuit board will arrive with all electronic components securely soldered to the PCB and is immediately ready for use - the complete kit includes all endstop wires and switches, pre-crimped wires, and more.

Product No. M-8U2-DPS1
Price: $170.00
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Note: This product is sensitive to static. Please handle with care.

The RAMBo 1.4 board is an all in one 3D printer motherboard. It is a full remix of our RAMPS design with the Arduino MEGA and stepper drivers all on one integrated PCB.

That is where it got the name RAMBo - (R)epRap (A)rduino-(M)ega-compatible (M)other (Bo)ard.

RAMBo is designed to work with the current RAMPS generation firmwares with minimal modifications to add firmware control of the digital trimpots and the microstep setting pins.

This product is RAMBo pre-assembled where you will receive all electronic components securely soldered to the PCB, ready for use. You will receive the endstop wires & switches of your choice, wires are complete with pre-crimped & housed ends.  Also included are the matching pluggable terminal blocks, two thermistor wires with pre-crimped & housed ends, a USB cable & we throw in gold connectors/headers for use on the motors & possible extra fan.

Product features:

  • 5 x integrated 1/16th microstep motor drivers
  • 5 PWM Mosfet outputs
  • 4 thermistor inputs, digital trimpot (no tiny knobs to tweak)
  • SMPS supports hostless printing on power supply voltages from 10-24V DC
  • 3 independent fuse protected power rails
  • LUFA USB
  • high quality connectors

What's in the Kit?

  • (1) RAMBo v1.4 PCBA
  • (3) Mechanical Switch
  • (3) Mechanical Wire Harness
  • (2) Thermistor Wire Harness
  • (5) 2-position plug
  • (1) 6-position plug
  • (1) 1x2 positive latch housings & matching gold crimp-connectors
  • (6) 1x4 positive latch housings & matching gold crimp-connectors
  • (1) USB 6' Cable

Firmware / Hardware Information:


Recommended Power supply 12V-24V DC, 16A+.

A preconfigured Marlin Firmware is preloaded onto the board. To re-flash this board, you can simply use the Arduino IDE and set board to "Arduino Mega 2560". There is also a Arduino plugin folder on github that exposes additional pins in the Arduino IDE.

Linux and Mac use CDC interface and have hardware driver built in.

*drivers sold separately

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