2 thumb joysticks used to control an RGB module (common anode). Very simple, actually is my first project :D.

Just follow the instructions. The module and the thumb joysticks were bought from DealExtreme.com

http://dx.com/p/arduino-compatible-rgb-led-module-146005

http://dx.com/p/repair-parts-replacement-analog-stick-module-for-ps2-controller-black-121340