/*
Melody
Plays a melody
circuit:
* 8-ohm speaker on digital pin 8
created 21 Jan 2010
modified 30 Aug 2011
by Tom Igoe
This example code is in the public domain.
http://arduino.cc/en/Tutorial/Tone
*/
#include “pitches.h”
// notes in the melody:
int melody[] = {
NOTE_C5,NOTE_C5,NOTE_G5,NOTE_G5,NOTE_A5,NOTE_A5,NOTE_G5,NOTE_F5,NOTE_F5,NOTE_E5,NOTE_E5,NOTE_D5,NOTE_D5,NOTE_C5,
NOTE_G5,NOTE_G5,NOTE_F5,NOTE_F5,NOTE_E5,NOTE_E5,NOTE_D5,
NOTE_G5,NOTE_G5,NOTE_F5,NOTE_F5,NOTE_E5,NOTE_E5,NOTE_D5,
NOTE_C5,NOTE_C5,NOTE_G5,NOTE_G5,NOTE_A5,NOTE_A5,NOTE_G5,NOTE_F5,NOTE_F5,NOTE_E5,NOTE_E5,NOTE_D5,NOTE_D5,NOTE_C5};
// note durations: 4 = quarter note, 8 = eighth note, etc.:
int noteDurations[] = {
4, 4, 4,4,4,4,2,4,4,4,4,4,4,2,4,4,4,4,4,4,2,4,4,4,4,4,4,2,4, 4, 4,4,4,4,2,4,4,4,4,4,4,4
};
void setup() {
// iterate over the notes of the melody:
for (int thisNote = 0; thisNote <44; thisNote++) {
// to calculate the note duration, take one second
// divided by the note type.
//e.g. quarter note = 1000 / 4, eighth note = 1000/8, etc.
int noteDuration = 1000/noteDurations[thisNote];
tone(11, melody[thisNote],noteDuration);
// to distinguish the notes, set a minimum time between them.
// the note’s duration + 30% seems to work well:
int pauseBetweenNotes = noteDuration * 1.30;
delay(pauseBetweenNotes);
// stop the tone playing:
noTone(11);
}
}
void loop() {
// no need to repeat the melody.
}