Multi-system controller adapters

Open adapters that connect original retro controllers to modern USB hosts.

Published open-source PCB projects

Open source · GPL-3.0-only

4dapter

Open USB adapter for NES, SNES, Nintendo 64, and Sega Genesis controllers.

Browse these projects in the 3D PCB mod directory. Open-source rows can be shallow-cloned into the git bucket. Generated board renders belong on the artifact CDN, not in git. See the catalog wiki note.