Rainbow Party Belt is a combination of a few projects for the Adafruit RGB Belt Kit.

I made an add-on board with two buttons, a mic, and attenuator that is attached to the arduino. One button is for resetting the board, second is for changing the mode, and the mic is for a sound reactive mode.

Code: https://github.com/jjfalling/RainbowPartyBelt

 

Top of board
Bottom of board

 

Wiring diagram