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Want to hook up a Wii Nunchuck to an Arduino but don’t want to cut up the cord on your Nunchuck? Tod Kurt from ThingM made up a batch of these cool little addapters.

It’s a small PCB that adapts the Wii Nunchuck connector to standard 4-pin header. Dubbed the “wiichuck adapter”. It plugs directly into the Arduino, no wiring necessary. You can get one too for $4.



One of the cool things about the Wii is that the expansion port on the bottom of the Wii remote is an I2C serial connection. This means that anything that plugs into that port can work with microcontrollers like the Arduino or Basic Stamp or others. Of the available peripherals, the Wii Nunchuck is one of the best. It contains a 3-axis accelerometer, a 2-axis joystick, and two buttons. Hooking up a Wii Nunchuck to Arduino is easy. But cutting off the connector of the Nunchuck to get at the wires is a little drastic.

This “wiichuck adapter” let’s you play with the Wii Nunchuck and other Wii remote peripherals without needing you to cut cables. Just plug it into the Wii Nunchuck, then into the Arduino, in to Analog In pins 2,3,4,5. Pins 4&5 are the I2C communication pins and Pins 2&3 can act as the power supply for the Nunchuck.

Info:

Free domestic shipping for this item! International is only $1.00 for this item only.

Includes 4pos male header pins

Resources:

Software and usage examples can be found here on Tod Kurt's blog
(nunchuk)