This is the host software for an LPC51U68-based parallel EEPROM programmer, eeprog-fw-lpc. It's not perfect, but most issues can be resolved by restarting the programmer, or disconnecting and ...

Hardware based on Ben Eater's https://www.youtube.com/watch?v=K88pgWhEb1Mdesign You need 2 shift registers for the output of the adress lines. Connect shift register ...