///TELEPHONE SOUND USING BUZZERS

int buzzerPin = 12; //Naming the pin 

void setup() {
  // put your setup code here, to run once:
// PIN DECLARATION
pinMode(buzzerPin, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
tone(buzzerPin, 500); //Pin 12 and a frequency of 1000hz
delay(200); //Delay of 200 milli-seconds 
noTone(12); //Stops the buzzer from making a sound
delay(200); //Makes the buzzer stay off for 200 milli-seconds

tone(buzzerPin, 500); //Pin 12 and a frequency of 1000hz
delay(200); //Delay of 200 milli-seconds 
noTone(12); //Stops the buzzer from making a sound
delay(200); //Makes the buzzer stay off for 200 milli-seconds

tone(buzzerPin, 500); //Pin 12 and a frequency of 1000hz
delay(200); //Delay of 200 milli-seconds 
noTone(12); //Stops the buzzer from making a sound
delay(2000); //Makes the buzzer stay off for 2seconds
}