#include "TimerEvent.h"

TimerEvent timer;

const int buzzerPin = 8;

void setup() {

    pinMode(buzzerPin, OUTPUT);

   timer.set(3000, soundBuzzer);
}

void loop() {
    
   timer.update();

}

void soundBuzzer() {

    digitalWrite(buzzerPin, HIGH);

    delay(1000);

    digitalWrite(buzzerPin, LOW);

}