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doorman2/keypad
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vuko 989751c102 keypad: document avr fuse flashing 2023-12-06 22:55:47 +01:00
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README.md keypad: document avr fuse flashing 2023-12-06 22:55:47 +01:00
keypad.ino initial 2023-06-20 16:21:00 +02:00

README.md

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

Clock external 4 mhz Board: ATmega168 Variant: 168/168A avrdude -p atmega168 -c usbasp -v -B 4 -U lfuse:w:0xed:m -U hfuse:w:0xdd:m -U efuse:w:0xf9:m