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Einsy Rambo 1.1

UltiMachine


This is Einsy Rambo 1.1a. The Einsy Rambo board is an all in one 3D printer motherboard. It is a compact design with the Arduino MEGA and Trinamic TMC2130 stepper drivers all on one integrated PCB. This is the same board and drivers that gives the Prusa Mk3 it's super quiet movements.

Major Features - 4 x integrated Trinamic TMC2130 1/256th microstep motor drivers, 4 PWM Mosfet outputs, 3 thermistor inputs + ZProbe thermistor, SPI (Serial Peripheral Interface) communicated motor current control (no tiny knobs to tweak), SMPS supports hostless printing on power supply voltages from 10-24V DC, 2 fuse protected power rails (Heated Bed, 15A, and Primary Power 10A 10-24V: Motors & Logic (5A dedicated fuse) + Extruders, Fans (5A dedicated fuse)), LUFA USB, high quality connectors, did I say hacker friendly ...

COMPLETE KIT: With the complete kit, you will receive mechanical endstop switches with matching wire harnesses.  Also included in the complete kit are the matching male pluggable screw terminal blocks, two thermistor wire harnesses, a USB cable & we throw in gold crimp connectors and matching housings for use on motor wires & extra fan wires. See kit details at the bottom of this product page.

Firmware / Hardware Information -
Einsy Rambo is designed to work with the current RAMPS generation firmwares with minimal modifications to add firmware motor current control and the microstep setting.

Linux and Mac use CDC interface and have hardware driver built in. Windows hardware driver: RAMBo_USBdriver.zip

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

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

Dimension Drawing PDF availble here. (dimensions are the same as Mini-Rambo)

Additional information and sources at RepRap.org/wiki/EinsyRambo.  This board is Open Source Hardware licensed Creative Commons Attribution-ShareAlike 3.0.

Designed and assembled in USA by UltiMachine.


Einsy Rambo 1.1 Complete Kit Includes:

    (1) Pre-Assembled Einsy Rambo PCB
    (1) 2-pin pluggable terminal block (black)
    (2) 1x2 positive latch housing & matching gold connectors
    (2) 1x3 positive latch housing & matching gold connectors
    (5) 1x4 positive latch housings & matching gold connectors (for motor cables)
    (1) USB Cable, 1.828m (6')
    (2) Thermistor wire harness, 914.4mm (36")  *thermistor not included*
    (1) Mechanical endstop harness set, 609.6mm (24")
    (3) Mechanical endstop switches

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