ARDUINO + GSM MODULE

void setup() {
  Serial.begin(9600);
}

void loop() {
  // Check if data is available from the NodeMCU
  delay(1000);

  if (Serial.available()) {
    // Read the incoming data

    // Print the incoming data
    String receivedData = Serial.readString();

    Serial.print("Received data: ");
    Serial.println(receivedData);


  // The text of the message to be sent.
  // String receivedData1=receivedData;
  // Serial.print(String(receivedData1));
    Serial.print("\r");
  delay(10000);
  Serial.print("AT+CMGF=1\r");
  delay(1000);
  // PLACE NUMBER TO SEND A SMS TO
  Serial.print("AT+CMGS=\"09171367340\"\r");
  delay(1000);
  Serial.print(String(receivedData));
  delay(1000);
  Serial.write(0x1A);
  delay(5000);

  }
}