Arduino Wiichuck driven servos with a Laser
Original blog post with Pictures and Video: http://maxoffsky.com/maxoffsky-blog/arduino-wiichuck-steered-laser-pointer/
Parts list:
Arduino Uno Original Wii Nunchuck Nunchuk to Arduino adapter (link below) Laser pointer 2 mini Servos
You can buy a WiiChuck adapter here :
http://todbot.com/blog/2008/02/18/wiichuck-wii-nunchuck-adapter-available/
We are using the Wire library for I2C communication with the Nunchuk. See this reference where the I2C pins are on your Arduino: http://www.arduino.cc/en/Reference/Wire. On Arduino Uno the I2C pins are A4 and A5.