CNC Control Board for Black Mamba CNC Router Machine

Based on ATmega328. Designed to be used with GRBL-0.8 software.
http://www.thingiverse.com/thing:128100
Should be used with theese stepper motor drivers: http://www.thingiverse.com/thing:129244
Provided design files are for Eagle CAD V6.4.
Needs a FTDI UART Cable/5V Sparkfun FTDI Basic breakout to communicate with PC.