I have some specific requirements to communicate with an Arduino Uno that is sporting a CNC Shield. I must communicate with the arduino directly through the transmit and receive pins (1 and 0). I cannot use soft serial or other pins. I must be able to send and receive messages from pins 1 and 0 t…

Interfacing directly with pins 0 and 1 for serial communication

GolamMostafa May 28, 2018, 1:57pm 5

This diagram may be helpful!

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