Did you consider writing an EEPROM emulator?

[daantimmer]

Instead of creating a PCB to reset the EEPROM have you considered using a very small MCU which emulates the EEPROM read/writes while basically always returning the maximum number? That would reduce the number of connector inserts/removals by 50% because those PCB connectors aren't too wear resistant.

[dekuNukem]

That would be a good idea, and not too difficult. However, it would involve destructively modifying the cassette, and the cassette still needs to be removed for refilling anyway.

One option is to design such a board, and use an external tank like those continuous inkjet printer modifications, but it would require a lot of work :)

[ncw]

Or maybe modify the board so it enables write protect on the EEPROM?

[jangrewe]

The one big reason why i would not use any read-only/autoreset feature: you wouldn't know when to refill the casette. I think the current solution is actually the best way.

[dekuNukem]

Or maybe modify the board so it enables write protect on the EEPROM?

Well, if you do want to enable Write Protect on the EEPROM, I have tested it out and written a guide about it:

https://github.com/dekuNukem/bob_cassette_rewinder/blob/master/user_manual.md#can-i-enable-write-protect-wp-to-lock-out-wash-count