Hello Friends !! I making a project where i use a lot of INPUT and OUTPUT pins from Arduino Mega. I would like to know if can i use the Communication Pins as INPUT or OUTPUT? I talking about Pins from 14 to 21, i'm not using Pins 0 and 1 If i use 0 and 1 then the Serial.print doesn't work proper…

Arduino Mega - Communication Pin as INPUT or OUTPUT - #6 by system - Programming

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