int buttonPin = 2;  // Pin for push button
int buzzerPin = 4;  // Pin for buzzer
int buttonState = 0;

void setup() {
  pinMode(buttonPin, INPUT);  // Set pin 2 as input (no pull-up)
  pinMode(buzzerPin, OUTPUT); // Set pin 4 as output
}

void loop() {
  buttonState = digitalRead(buttonPin); // Read the state of the push button

  if (buttonState == HIGH) {            // If the button is pressed
    tone(buzzerPin, 600, 250);  // Play a 262Hz tone for 250 milliseconds
  } else {
    noTone(buzzerPin);          // Turn the buzzer off
  }
}