Using a Nintendo on a Chip (NOAC) board, he has fabricated an NES system that fits inside a hollowed out NES cartridge. He purchased a NOAC system at a local resale shop and got to work ...
The problem with a NES that just won’t read a cartridge is the ZIF socket inside the console. Pins get bent, and that spring-loaded, VCR-like front loader assembly is the main point of failure ...