[Neumi] over on Hackaday.IO wanted a simple-to-use way to drive stepper motors, which could be quickly ... ATMega328 microcontroller, with the Arduino software stack deployed, making uploading ...
Adjust the phase current, crank up the microstepping, and forget about it — that’s what most people want out of a stepper motor driver ... of the underlying Arduino through its AUX3 pin ...