Adafruit Wii Nunchuck Breakout Adapter Qwiic / STEMMA QT
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Dig out that old Wii controller and use it as a sleek controller for your next robot if you like. The Adafruit Adafruit Wii Nunchuck Breakout Adapter fits snugly into the Wii connector and performs the level shifting and power regulation needed to use the controller with any microcontroller or microcomputer.
The Wii controllers use a standard I2C interface, and there's existing code for both Arduino and CircuitPython/Python for quick integration with an Arduino UNO, Feather, or even a Raspberry Pi. We like to use these with the Wii Nunchuck, as you can get an XY joystick, two buttons, and an accelerometer all in one hand-held package. All data is transmitted over I2C address 0x52, and the address can not be changed.
We use extra thick 2.0mm PCBs for this breakout, and made cut-outs for the grabber-notches, so that the controller connection is snug, and won't rattle or come loose!
To make using it as easy as possible, we've created this breakout in Stemma QT form factor . You can either use a breadboard or the SparkFun qwiic compatible STEMMA QT connectors, and compatibility with 5V voltage levels as commonly found on Arduinos , as well as 3.3V logic used by many other boards like the Raspberry Pi or our Feathers. QT Cable is not included , but we have a variety in the shop for quick plug-and-play support.
Doesn't come with the Wii Nunchuck controller, that's sold separately (or just look in that plastic bin in your parent's attic next time you visit).
