Can anyone provide a definitive answer to if the following older versions of the classic Redboard have EEPROM / NVM, and if so, what the size and write cycles are?
DEV-13975 (aka v22)
DEV-12757 (aka v21)
Thanks in advance!
Theres 1kb of EEPROM inside the ATmega328 chip on both boards. Check the datasheet for more information.
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Found this, might also be helpful to you!
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