const int buzzerPin = 8;

void setup() {
  // Set the buzzer pin as an output
  pinMode(buzzerPin, OUTPUT);
}

void loop() {
  // Turn the buzzer on
  digitalWrite(buzzerPin, HIGH);
  // Wait for 500 milliseconds (0.5 seconds)
  delay(500);

  // Turn the buzzer off
  digitalWrite(buzzerPin, LOW);
  // Wait for 500 milliseconds (0.5 seconds)
  delay(500);

  // Repeat the cycle
}