Amazon.com: 2 Pack Wii Nunchuck Controller, Classic Retro Joystick Gamepad Replacement Compatible with Wii Wii U, Left and Right Hand Game Controller- White / Red : Video Games
pi 3 - How Can Rpi Interface The I2C Nintendo NES Game Controller with WII Remote? - Raspberry Pi Stack Exchange
How to Connect Wiimotes to the Raspberry Pi - Pi My Life Up