PCBs to plug various newer SMT parts into vintage DIP sockets. Generaly to use a newer PLCC, SOIC, or TSOP EEPROM or Flash part to replace a DIP mask ROM or UV EPROM in a vintage computer.
bkw777
31
A famicom discrete logic mapper
smaldragon
2
Open source Retro Rom Carts and ODEs by Dreamcraft Industries
khill25
26
The Kicad files and rom dump of the Gameboy Game Genie by Galoob
RWeick
4