const int BUTTON_PIN = 2;  
const int BUZZER_PIN = 8;  

int buttonState = 0;

void setup() {
  pinMode(BUTTON_PIN, INPUT_PULLUP);  
  pinMode(BUZZER_PIN, OUTPUT);        
}

void loop() {
  buttonState = digitalRead(BUTTON_PIN);
  
  if (buttonState == LOW) {
    tone(BUZZER_PIN, 1000);  
  } else {
    noTone(BUZZER_PIN);
  }
}