Adafruit Wii Nunchuck Breakout Adapter [Qwiic / STEMMA QT] : ID 4836 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Genuine OEM White Nintendo Wii Remote W/Motion Plus Adapter, Nunchuck and Sleeve | eBay
I2C for Wii WiiChuck Nunchuck Adapter shield Module Board for Arduino
Nunchucky (Wii Nunchuck breakout adapter) : ID 345 : $3.00 : Adafruit Industries, Unique & fun DIY electronics and kits
Review: Nyko Wiimote Wireless Adapter | WIRED
Amazon.com: ELECOM Wii USB Adapter, Game Classic Controller/Classic Controller Pro to USB, Adapter for Windows PC for only one Player, 1m / 39 inch Length (JC-W01UWH) : Video Games
Logic 3 Nintendo Wii Wireless Nunchuk Adaptor
Amazon.com: Wii Nunchuck Remote Controller with Motion Plus Compatible with Wii and Wii U Console | Wii Remote Controller with Shock Function (Black) : Video Games
Amazon.com: bangbird Motion Plus Attachment W/Silicon Case for Nintendo Wii Controller, Motion Plus Adapter Compatible with Wii U Remote and Nunchuck - 2Pcs Black : Video Games