Joybus protocol (Gamecube controller) implementation for the Raspberry Pi Pico (ARM Cortex M0+). Translates GPIO to modelized Gamecube controller states based on the B0XX/F1 layout.

A Wii/Gamecube homebrew to test your Gamecube controllers

iOS GameCube controller for the Dolphin emulator.

Work in progress! Read and write gamecube controller protocol. For Teensy 3.6 / 3.2

Allows Nintendo-compatible GameCube USB adapters to emulate Xbox 360 controllers.

GameCube controller analyzer for Saleae's Logic software

Twitch Plays Stuff

An input plugin for Mupen64Plus which lets you use your Wii U/Switch GameCube controller adapter

(HAX-like UCF) Gamecube Controller External Arduino Adapter Cable

Modify a SNES (or similar) controller to work on GameCube using a compatible Arduino board.

Low-cost USB adapter for Gamecube controllers

Hardware files for a custom Gamecube controller that uses Hall effect magnetic sensors to read the sticks. Based on PhobGCC.

A Nintendo Gamecube controller adapter for MSX

Library for reading Nintendo game controllers on Arduino boards, targetting STM32F1/Maple Mini.

wii-u-gc-adapter packaged for the Steam Deck

A GameCube controller library to work with ESP8266

A modded Gamecube controllers, to have all the original button colours, but in a LED form instead

A Go library for interfacing with the Gamecube controller adapter.

Use Gamecube joysticks with your MSX computer

Arduino code for the Donkey Kong bongos and the most accurate documentation on Gamecube controllers