Ben Eater style parallel eeprom programmer / reader

So I found this ( https://youtu.be/K88pgWhEb1M ) and I’ve worked around various types of rom eeprom prom etc at work, but never took the time to learn.

I started with sparky actually. I breadboarded an eeprom (at28c256) and programmed a few addresses by hand. Here I am switching between two addresses. ( https://youtu.be/KHPFggKeAKQ )

That is all well and good, but programming that many addresses takes too much time. And since I now understand what’s going on I was able to get the programmer working. The top screen has the arduino code (available from ben’s github) and the serial output from the arduino reading the programmed address space. The bottom screen shows the schematic. And of course the breadboard has the circuit.

At some point I may clone the repository and make some modifications, but I have some eeprom projects in mind so that will be for much later.

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