Adjust the phase current, crank up the microstepping, and forget about it — that’s what most people want out of a stepper motor driver IC ... of the underlying Arduino through its AUX3 ...

grbl is stepper motor controller firmware for ... in this further EinW blog My small cnc mill project needs motors (so I am told) that are too powerful for the normal drivers included on grbl Arduino ...

The purple boards slotted into the pairs of SIL headers are Pololu Stepper motor drivers. Going this route makes replacing a burnt out chip as easy as plugging in a new module. The terminal block ...