Softwareserial H ((better)) [ UPDATED ]

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

// Optional: increase receive buffer size (edit library file) softwareserial h

void loop() // Continuously read from software serial while (mySerial.available()) char c = mySerial.read(); Serial.print(c); // echo to hardware serial // Send data via software serial (non-blocking friendly)

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

void setup() // Hardware serial for debugging Serial.begin(9600);