const int ledPin =  13;      // the number of the LED pin
int ledState = LOW;             // ledState used to set the LED
unsigned long previousMillis = 0;        // will store last time LED was updated
int buzzer = 8;
const long interval = 1000;           // interval at which to blink (milliseconds)
unsigned long currentMillis ;
void setup() {
  // set the digital pin as output:
  pinMode(ledPin, OUTPUT);
pinMode(buzzer,OUTPUT);
}

void loop()
{
currentMillis = millis();
 if(currentMillis - previousMillis >= 1200) {
   previousMillis = currentMillis;

    if (ledState == LOW){

      ledState = HIGH;
    tone(buzzer,3300,50);
  }
    else{
      noTone(buzzer);
      ledState = LOW;
}
    // set the LED with the ledState of the variable:
    digitalWrite(ledPin, ledState);
  }
}