Arduino Controlled CNC / Printer Hybrid: 20 Steps (with Pictures)
Arduino CNC Kit w/ UNO + Shield+ Stepper motors Endstop GRBL in Consumer Electronics, Gadgets & Other Electronics, Other Gadgets
(Open source firmware that runs on an Arduino UNO that turns G-code commands into stepper signals). 4 x driver. Uses removable Pololu compatible stepper drivers.