NES AV Firmware and Files
Heres the files for the NES AV Controller. Guide here: https://www.instructables.com/NESP32-AV-Play-Retro-Games-From-a-NES-Controller
Theres an image for both NTSC and PAL. NTSC is recommended as runs the best.
Theres two gerbers depending if you're planning on using a clone controller or an original NES controller. The clone PCB will need to be ordered at 1mm and the original NES PCB needs to be ordered at 1.6mm.
Lastly theres a SD structure pack. It doesnt contain any roms, but does contain the structure, Retro-Go configs (some emulators such as A2600 needed some slight tweaking to the filtering for full speed) as well as romart.