GRBL 0.8c compatible. (Open source firmware that runs on an Arduino UNO that turns G-code commands into stepper signals)
3-Axis support (X, Y, Z , )
2 x End stops for each axis (6 in total)
Spindle enable and direction
Coolant enable
Uses removable A4988 compatible stepper drivers. (A4988, DRV8825 and others)
Jumpers to set the Micro-Stepping for the stepper drivers. (Some drivers like the DRV8825 can do up to 1/32 micro-stepping )
Compact design.
Stepper Motors can be connected with 4 pin molex connectors or soldered in place.
Runs on 12V DC.
Arduino software WIKI page tutorial Tutorials