The Arduino source for this can be found on the project GitHub. Whilst [Frank] mentions that this assembly has a weight and torque advantage over a NEMA 17 sized stepper motor, but we see no hard ...

Leveraging the Trinamic TMC2208 stepper motor driver gives Ethersweep silky ... with the ubiquitous ATMega328 microcontroller, with the Arduino software stack deployed, making uploading firmware ...