An open source digital color communications badge For information on what a "Color Communications Badge" is, see http://bitly.com/1jY0tzO
The "Regular" version of the DigiBadge runs off of an ATMega 168 microcontroller, and the "Hacker" version of the DigiBadge runs off of an ATMega 328 microcontroller like what you would find in an Arduino Uno.
To program one of the devices, select the "Arduino Pro or Pro Mini" For the Hacker Badge, select the 3.3v 8MHz ATMega 328 processor For the Regular Badge, select the 3.3v 8MHz ATMega 168 processor