A project to use a Wii "Nunchuk" as a computer using adafruits, low cost, Arduino compatible microcontroller, Trinket.
Full write up can be found at http://mario.mtechcreations.com/programing/wiichuck-mouse/
When the LED on the Trinket is off, the joy stick will move the mouse pointer. When the LED is on, the joy stick at as a scroll wheel. C Button = Left Click Z Button = Right Click