phone_dial

int sensorReading = 0;

void setup()
{
  pinMode(9, OUTPUT);
}

void loop()
{

  for(int tring=1;tring<=2;tring++){
    for(int i=1;i<=10;i++){
      tone(9, 600   , 1000);
      delay(30);
      tone(9, 1000   , 1000);
      delay(30);
    }
    delay(2000);
  }
  delay(10); // Delay a little bit to improve simulation performance
}