I searched everywhere but I couldn't find the function called " updateSerial(); ". It's not in the serial library or software serial etc... Where can I find this function updateSerial();? Thanks Ex:- mySerial.println("AT"); //Once the handshake test is successful, it will back to OK updateSe…

Did you look in the code you're using? It's right there at the bottom.

updateSerial Not Found

gfvalvo November 5, 2021, 12:37am 2

Impossible to tell given the incomplete information you've provided.

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