//Uses serial monitor as terminal to talk to GSM modem //For the Mega. GSM comms on hardware serial port 1, not software serial //#include //SoftwareSerial gsm(62,63); //rx pin, tx pin void setup() { Serial.begin(9600); //For serial monitor on PC via USB //gsm.begin(4800); Serial1.begin(4800); //for GSM } void loop() { if(Serial1.available()) { Serial.println(Serial1.readString()); } if(Serial.available()) { Serial1.println(Serial.readString()); } }