[Frank Herrmann] had an interesting idea to turn a geared DC motor ... listen on the ‘stepper motor driver’ interface pins hooked up to the motion controller upstream. The Arduino source ...

So he decided to replace the stepper motor controller in his turntable and document ... You’ve also got to solder wires coming from the original DC jack and power switch to the new board to ...

grbl is stepper motor controller firmware for three-axis cnc machines ... that are too powerful for the normal drivers included on grbl Arduino shields (or integrated Arduino+drivers equivalents), and ...

Seeing this Toshiba motor drive, my first thought was ‘what a neat chip for pairing with an Arduino’ as it combines operation across 1.8 to 7V with up to 4A drive – so that is Li-ion batteries, 5V USB ...