Softwareserial H Upd May 2026

// Software serial for GPS module mySerial.begin(9600);

void loop() // Continuously read from software serial while (mySerial.available()) char c = mySerial.read(); Serial.print(c); // echo to hardware serial softwareserial h

void setup() // Hardware serial for debugging Serial.begin(9600); // Software serial for GPS module mySerial

// Send data via software serial (non-blocking friendly) if (Serial.available()) char out = Serial.read(); mySerial.write(out); // blocking but short // blocking but short