GameCube keychain becomes a working controller with RP2040

xda-developers.com

A GameCube keychain was transformed into a functional, pocket-sized controller. The miniature controller uses 3D-printed parts, tactile switches, and an RP2040 microcontroller to connect to consoles. The creator demonstrated playing games like Fortnite and Mario Kart, and teased plans for N64, SNES, and 3DS keychain controllers.


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GameCube keychain becomes a working controller with RP2040 | News Minimalist