int buzzerPin = 9; // Define the buzzer pin

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

void loop() {
  // Generate a 1000 Hz tone on the buzzer pin for 1 second
  tone(buzzerPin, 1000);
  delay(1000); // Wait for 1 second
  noTone(buzzerPin); // Stop the tone
  delay(1000); // Wait for 1 second
}