GitHub - joonamo/teensy_classic_xinput: Classic Controller -> XInput dongle built with Teensy-LC microcontroller
Extenmote: NES, SNES, N64 or Gamecube controller on Wii or Wii U via the Wiimote.
Classic Controller - Wikipedia
Stingray: Nintendo Classic controller adapter with keypad emulation - Atari 5200 - AtariAge Forums
How to replace a PlayStation Classic Controller USB Cable - YouTube
USB Wii Classic Controller : 14 Steps - Instructables
Amazon.com: 2pcs 1.8M 6ft Extension Cable for Nintendo NES Classic/Mini Edition Controller and Wii Nunchuck and Wii Classic Controller Extension Cords Extender (NES Classic Mini Extend Cable) : Video Games
Pair an NES, SNES, and Wii Classic Controller with the Switch Using the NullWiiCon Adapter - Hackster.io
little-scale: Nintendo Wii Classic Controller as Wired USB Gamepad
raphnet. - Wusbmote: Wiimote accessory to USB circuit
Using a Wii Nunchuk with Arduino • Computer Science and Machine Learning