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Author Topic: writing & reading to RX/TX pins  (Read 632 times)
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How can you write to the RX and TX pins (pins0&1) on the arduino board? I'm trying to use RF chips between two boards. Are the serialRead() and serialWrite() commands for arduino-computer communication only? I tried to connect also two arduino boards' RX & TX pins with wires but so far nothing. All messages goes to computer via USB.

Any code snippet would be ace.
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