I have two Nano's each with an HC12, and the sketches below. This is just a simple test setup to get the hang of using them. On the transmitter side, the onboard LED blinks as it should, and the TX LED also blinks, though more of a flicker, but that's to be expected. On the receiving end, the RX …

SoftwareSerial HC12(1,0); //TX pin and RX pin Don't use pins 0 and 1 for SoftwareSerial because they are already used for the hardware Serial interface

HC12 data issues

Projects Programming

tpaairman October 4, 2021, 10:24am 8

I did use a 2 instead and it works. What I'm trying to figure out is why does it not like using a 0?

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HC12 data issues

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