int buzzerPin = 4;
int lightPin = 12;

void setup() {
  pinMode(buzzerPin, OUTPUT);
  pinMode(lightPin, OUTPUT);
}

void loop() {
  
    digitalWrite(buzzerPin, HIGH);
    digitalWrite(lightPin, HIGH);
    delay(300);
    digitalWrite(buzzerPin, LOW);
    digitalWrite(lightPin, LOW);
    tone(8, 262, 500);
    delay(300);
}