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While it looks interesting as idea, IHMO you have keep in mind: Include some code for button denouncing logic. Actually you will receive couple of “resets” during ~20ms during button press. Without denouncing you may end up with reset signal right at the moment you write to the EPROM. While EPROMs are pretty “solid” nowadays, it many not be good practice. ...


Totally agree with Serge. To cover issues #3 and #4 of Serge's answer I recommend you to have a look at FRAM. It has more durability with 10 trillions of write cycles.

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