doorman2/keypad/README.md

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2023-06-20 14:21:00 +00:00
# keypad howto
1) flash MiniCore for atmega168pa
2) make sure you have the Keypad arduino library
3) if re-making the hw from scratch, you need to make some HW mods to the keypad:
- green led moved to a different pin (due to UART conflict)
4) verify the pin IDs