After uploading I noticed the keys weren't right so I change the code to match the keypad.
Yet several keys are not working... 2, 4, 6, 8 and 0 are not showing up on serial.write (they only show up when I press a few keys...)
:~
After uploading I noticed the keys weren't right so I change the code to match the keypad.
Yet several keys are not working... 2, 4, 6, 8 and 0 are not showing up on serial.write (they only show up when I press a few keys...)
:~