While most might look at the Wii NunChuck and see a simple video game controller, you see it for what it really is - a robotic controlling powerhouse! The Nunchuck has a joystick, tilt sensors, AND pushbuttons. The real problem is getting it hooked up to your project. Well fret no more, the Wii NunChuck Connector has you covered.
Just plug in any NunChuck into this board, and you'll have all the pins you need to communicate with the controller. The housing for the connector also locks into your NunChuck, ensuring a solid connection. Once you're all set up, you can use the NunChuck to control your robot, rover, or anything else you can think of!