#define buzzerPin 8


void setup() {
  // put your setup code here, to run once:
  pinMode(buzzerPin, OUTPUT);
  Serial.begin(9600);
  Serial.print("Buzzer nyala");
}

void loop() {
  // put your main code here, to run repeatedly:
  tone(buzzerPin, 440);
  delay(1000);
  noTone(buzzerPin);
  delay(1000);


}