#include <Arduino.h>

#define BUZZER_PIN 12 // pino conectado ao buzzer

int melody[] = {
  659, 659, 659, 523, 587, 523, 659, 659,
  659, 698, 784, 784, 698, 659, 587, 523,
  659, 659, 659, 523, 587, 523, 659, 659,
  659, 698, 784, 784, 698, 659, 587, 523
};

int note_durations[] = {
  4, 4, 2, 2, 2, 1, 4, 4, 
  4, 4, 2, 2, 2, 1, 4, 4, 
  4, 4, 2, 2, 2, 1, 4, 4, 
  4, 4, 2, 2, 2, 1, 4, 4
};

void playNote(int frequency, int duration) {
  tone(BUZZER_PIN, frequency, duration);
  delay(duration);
}

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

void loop() {
  for (int i = 0; i < sizeof(melody)/sizeof(int); i++) {
    playNote(melody[i], 1000/note_durations[i]);
    delay(10);
  }
}