5Pcs I2C WiiChuck Nunchuck Small Adapter Shield Module Board
Amazon.com: NC Motion Plus Adapter Replacement for Wii Motion Plus Adapter-Sensor Accelerator and Nintendo Remote Controller compatible (White 1 pcs) : Video Games
Adafruit Wii Nunchuck Breakout Adapter [Qwiic / STEMMA QT] : ID 4836 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Pro Micro Adapter - Wii Nunchuck from BlueMicro on Tindie
raphnet. - Wusbmote: Wiimote accessory to USB adapter
Nintendo Wii Remote With Motion Plus Adapter, Nunchuck And Jacket OEM Tested | eBay
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
Nunchucky (Wii Nunchuck breakout adapter) : ID 345 : $3.00 : Adafruit Industries, Unique & fun DIY electronics and kits