Upgrade your NES or SNES controller to USB. Can be put inside the controller, or build real NES/SNES ports onto your computer. Works with standard controllers (original, Max, dogbone, Advantage, etc), does not work with peripherals (Zapper, FourScore, etc).
Fully compatable with Windows, Linux and Mac OSX.
Find out more about this project at GitHub.
OSHPark • DigiKey BOM • Schematic
Purchase USB NES Controller
Purchase USB SNES Controller