#define Buzzer_pin 10
void setup() {
  pinMode(7,OUTPUT );
  pinMode(5,OUTPUT );
  pinMode(Buzzer_pin, OUTPUT );
  // put your setup code here, to run once:

}



void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(7,HIGH);
digitalWrite(5,LOW );
tone(Buzzer_pin,HIGH );
delay(4000);
digitalWrite(5,HIGH );
digitalWrite(7,LOW );
noTone(Buzzer_pin);
delay(2000);
}