Operates on 12-36V DC-power. with:CNC- V3+UNOR3 +A4988 Driver+ Stepper Motor. Adopting a movable A4988 compatible stepper driver. (A4988, DRV8825, and others). CNC V3.0 GRBL 0.8 -c compatible. (Open source firmware- running on can convert G-code-commands into step signals).
eBay