This is a stepper motor driver board based on Trinamic TMC2209.
- The pinout is compatible with BotStep.
- Pinout mirrored from SilentStepStick.
- Vref is provided from the mainboard instead of a potentiometer.
- Drop-in replacement for Makerbot Replicator 2 / Makerbot Replicator 2X / Flashforge Guilder 2 / etc
- No need to reverse pin header
- No need to manually set VREF
- No need to inverse motor direction
- Tested on Flashforge Guider 2
- Source: https://su.0v0.us/lty1993/silentbotstep/