todbot blog Random experiments, circuits, code, rapid prototyping, sometimes things to buy, and the odd tune by Tod Kurt. Want to hook up a Wii Nunchuck to an Arduino but don’t want to cut up the cord on your Nunchuck? Yeah me too. So I made some of these: It’s a small PCB that adapts the Wii Nunchuck connector to standard 4-pin header. I call it the “wiichuck adapter”. It plugs directly into the