I am using Serial.begin(9600) to communicate through the USB port to run AppleScripts. That part works fine. However, this seems to make pin 1 unusable when configured as pinMode(whatever, INPUT) for an external switch. I have searched the docs and this forum, but have not found an answer. Does r…

Does Serial.begin make pins 0 & 1 unusable as I/O?

system November 21, 2009, 6:07pm 3

I suspected that was the case.

I appreciate your time - thanks.