Original Prusa Einsy RAMBo (MK3S/+)


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SKU: 1611358
  1. Main MCU: Atmega 2560
  2. Einsy RAMBo is a revolutionary 3D printer board
  3. Mosfet output: 4 PWM
  4. Power supply voltages: 10-24V DC.



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Brand: Prusa
Category: Prusa 3D Printer Parts

Einsy RAMBo (named after Einstein) is the revolutionary 3D printer board and it is a core of the MK3 performance.

The Original Prusa Einsy RAMBo is a powerful and reliable 3D printer control board specifically designed for the Original Prusa MK3S/+ models. Developed by Prusa Research, it integrates advanced features like Trinamic stepper drivers and a 32-bit ARM Cortex-M3 processor to ensure precise and smooth printing. The Einsy RAMBo board provides excellent firmware compatibility, seamless connectivity, and a user-friendly interface, making it a popular choice among enthusiasts and professionals in the 3D printing community.

Note: Compatible with MK3S, MK3S+


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

Package Includes:

1 x Einsy RAMBo with MK3S/+ firmware

1 x Plug Aligner plastic part

2 x ATO Blade fuses 5A (rated for 32 VDC)

1 x ATO Blade fuse 15A (rated for 32 VDC).

SKU: 1611358 Category:
Main MCU

Atmega 2560

Power Supply(V)

10 to 24V DC.

Stepper motor driver

TMC2130, 1/256th microstep motor drivers

USB-to-serial chip

Atmega 32u4

Mosfet output




Shipping Weight 0.093 kg
Shipping Dimensions 15 × 8 × 2 cm
1 Month Warranty

This item is covered with a standard warranty of 1 month from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: Czech Republic