#define Buzzer_Pin 8
void setup() {
  // put your setup code here, to run once:
pinMode(3, OUTPUT);
pinMode(1, OUTPUT);
pinMode(Buzzer_Pin, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(3, HIGH);
digitalWrite(1, LOW);
tone(Buzzer_Pin,HIGH);
delay(4000);
digitalWrite(1, HIGH);
digitalWrite(3, LOW);
noTone(Buzzer_Pin);
delay(2000);
}