[Andres] wrote in to share his USB for NES controller project (translated). It enumerates as a USB keyboard and is easily mapped on most emulators. Over the weekend we looked in on an AVR ...

but then i googled around saw there was a kit you could get to solder up a usb joystick for macs and pcs out of the old nes controller. grab some emulators and you’ve got some up down a b select ...