doorman2/keypad/README.md

264 B

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