Internet to the rescue: Wii U memory failures fixed with an $8 Raspberry Pi Pico | Club386
TRIXES NES Estilo Gaming Controlador USB apropiado, Paquete de 2 - Joypads Retro USB para Juegos para computadora PC, Mac, Raspberry Pi - Compatible con Wii U : Amazon.es: Videojuegos
Homemade RetroPie Gaming Device Modded into Wii U Pro Controller | #piday # raspberrypi @Raspberry_Pi « Adafruit Industries – Makers, hackers, artists, designers and engineers!