static volatile bool flag = 0; void setup() { pinMode(2, INPUT_PULLUP); Serial.begin(57600); //This pipes to the serial monitor while (!Serial); Serial1.begin(57600); //This is the UART, pipes to sensors attached to board while (!Serial1); Serial1.setTimeout(10000); attachInterrupt(1,…

Very odd behavior of Serial stream

gcjr August 27, 2021, 6:19pm 8

you might consider readBytesUntil() if the string you're looking for ends with a known char (e.g. ":")

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