#include <SoftwareSerial.h>
SoftwareSerial SIM800L(3,2);
void setup()
{
  SIM800L.begin(115200);
  Serial.begin(115200);
  Serial.println ("SIM800L Ready");
  delay(15000);
  SendMessage();
}
void loop()
{
 if (SIM800L.available()>0)
   Serial.write(SIM800L.read());
}
 void SendMessage()
{
  Serial.println ("Sending Message");
  SIM800L.println("AT+CMGF=1");    //Sets the GSM Module in Text Mode
  delay(1000);
  Serial.println ("Set SMS Number");
  //                             *********
  SIM800L.println("AT+CMGS=\"+966512345678\"\r");
  delay(1000);
  Serial.println ("Set SMS Content");
  SIM800L.println("NEW 21-2-2023 - Good 123?");// Messsage content
  delay(100);
  Serial.println ("Finish");
  SIM800L.println((char)26);// ASCII code of CTRL+Z
  delay(1000);
  Serial.println ("Message has been sent ->SMS Selesai dikirim");
}