Go Down

Topic: can we use RX & TX as gerneral purpose I/O (Read 705 times) previous topic - next topic

Nick Gammon

And if i measure voltage at other pins which shows me 200mV ( This pins also set to input mode). How can use RX & TX as a general purpose I/O.

I/O is Input/Output.

Did you have Input in mind, or Output?


TX & RX  as a input pin.

In that case Reply #1 gives you your answer.
I only provide help via the forum - please do not contact me for private consultancy.

Go Up