#include "pitches.h"

 

int buzzerpin = 8;  

 

#define NUMNOTES 15  // the number of notes in the song, includint the lase silent note.

 

const int notes[NUMNOTES] = {

   NOTE_C4, NOTE_C4, NOTE_G4, NOTE_G4,  //The musical notes in sequence but without the timing-tempo

   NOTE_A4, NOTE_A4, NOTE_G4, NOTE_F4,

   NOTE_F4, NOTE_E4, NOTE_E4, NOTE_D4,

   NOTE_D4, NOTE_C4, 0

};

 

const int beats[NUMNOTES] = {

   1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 4 }; //the timing of the notes

const int beat_length = 300;

 

void setup()

{

  pinMode(buzzerpin, OUTPUT);  //telling the Arduino that buzzerpin (pin 8) will be an output pin

}

 

void ourTone(int freq, int duration)

{

  tone(buzzerpin, freq, duration);  //play a note(which pin, what note, what duration)

  delay(duration);                  // Puase for a set time

}

 

void loop()

{

for (int i = 0; i < NUMNOTES; i++) {   //creates a loop starting at 0 and adding 1 each time the loop completes

  if (notes[i] == 0) {                   //it will repeat the loop until i is greater than 15 (the number of notes)

  delay(beats[i] * beat_length);         // rest

  }

  else {

    ourTone(notes[i], beats[i] * beat_length);

  }

  // pause between notes

  noTone(buzzerpin);

  delay(beat_length / 2);

}

}