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This is a PCB made to replace the X and Y drivers used the Prusa MK2(S) or MK2.5(S) series of 3D printers.

A closed source kit can be purchased on the web, but the cost is prohibitive for large quantities. So I have scoured the web for info about the controller used in the 3D printer, MiniRambo v1.3. Eventually, I managed to compile the schematics enclosed in this github project.

I have used KiCAD v5.1 to design a PCB similar in dimensions to the closed source kit. Reason being the availability of ready made 3D enclosure(s), the recommended one can be found here: https://www.thingiverse.com/thing:2777899

Dimensions for the PCB were "recovered" using MeshLab on the above 3D enclosure(s).

Resources:

  1. https://reprap.org/wiki/MiniRambo
  2. https://reprap.org/wiki/RAMPS_1.4
  3. https://reprap.org/wiki/StepStick
  4. https://learn.watterott.com/silentstepstick/pinconfig/tmc2209/
  5. https://www.thingiverse.com/thing:2777899
  6. https://vmod.wordpress.com/prusa-mk2s-ext-driver-board-v2-3/
  7. https://www.kicad.org/