2 layers68.8 × 53.6 mm

Relatively Universal ROM Programmer
AndersBNielsen/Relatively-Universal-ROM-Programmer
Hardware to program W27C512 EEPROM or any 24/28/32 pin ROM requiring from 5V to 27V programming voltage.
149 parts257GPL-3.0
KiCad boards from 1 GitHub repository tagged “rom-hacking”, the most starred first; open any of them in PCBKit.

AndersBNielsen/Relatively-Universal-ROM-Programmer
Hardware to program W27C512 EEPROM or any 24/28/32 pin ROM requiring from 5V to 27V programming voltage.