Einsy Rambo 1.1.b for Prusa MK3 3D printer. It is a compact design with Arduino MEGA and Trinamic TMC2130 stepper controllers on one integrated PCB.
Key features - 4 integrated motor controllers Trinamic TMC2130 1/25 micro-step, 4 PWM Mosfet outputs, 3 thermistor inputs + ZProbe thermistor, SPI (Serial Peripheral Interface) passed motor current control (without small knobs to change), SMPS supports hostless printing on voltages power supply from 10-24 V DC, 2 power busbars protected by a fuse (Heated bed, 15 A and primary power supply 10 A 10-24 V: Motors & Logic (dedicated 5 A fuse) + extruders, fans (dedicated 5 A fuse)), USB LUFA, high quality connectors.
This product is a substitute of original Prusa mainboard - 100% compatible with original. Eighty Rambo is designed to work with current RAMPS firmware with minimal modifications to add current control of the firmware and microstep setting.
Linux and Mac use the CDC interface and have a built-in hardware driver. To re-flash this disc, you can simply use the Arduino IDE with Rambo Addons and set the disc to "Rambo".
Recommended power supply 12V-24V DC, 16A +.