This SAO makes it easy to connect a Wii Nunchuck controller to your badge or SAO compatible device. The I2C bus is used to read the state of the buttons, accelerometer, and direction joystick. The Nunchuck is found at 0x52 on the bus.

Features:

  • SAO pin header can be installed from the bottom side of the board, or along the bottom edge for two different mounting options.
  • Wii Nunchuck (and clones) is connected directly to the PCB on the top edge.
  • Two QWIIC/STEMMA QT ports are provided on the back side of the board.
  • All signals shall be 3.3V.
Learn more about the possibilities and find sample code:

https://learn.adafruit.com/adafruit-wii-nunchuck-breakout-adapter/

https://www.sparkfun.com/products/retired/18039

https://bootlin.com/labs/doc/nunchuk.pdf

Learn about QWIIC and Stemma QT compatible connections (I2C):

https://www.sparkfun.com/qwiic

https://learn.adafruit.com/introducing-adafruit-stemma-qt