const int ledPin = 13;
const int buzzer=8;
void setup() {
  pinMode(ledPin, OUTPUT);
  pinMode(buzzer, OUTPUT);
}

void loop() {
  // Turn the LED on
  digitalWrite(ledPin, HIGH);
  digitalWrite(buzzer, HIGH);
  delay(1000);
  digitalWrite(ledPin, LOW);
  digitalWrite(buzzer, LOW);
  delay(1000);
}