/*
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://www.arduino.cc/en/Tutorial/Tone
*/
/*
#define NOTE_C4 262
#define NOTE_G3 196
#define NOTE_A3 220
#define NOTE_B3 247
#define NOTE_C3 131//NOTE_C4 262
*/
#define NOTE_C3 131
#define NOTE_D3 147
#define NOTE_E3 165
#define NOTE_F3 175
#define NOTE_G3 196
#define NOTE_A3 220
#define NOTE_B3 247
#define NOTE_C4 262
#define NOTE_D4 294
#define NOTE_E4 330
#define NOTE_F4 349
#define NOTE_G4 392
#define NOTE_A4 440
#define NOTE_B4 494
// notes in the melody:
/*
int melody[] = {
NOTE_C4, NOTE_G3, NOTE_G3, NOTE_A3, NOTE_G3, 0, NOTE_B3, NOTE_C4
};
*/
int melody[] = {
NOTE_G3, NOTE_E3, NOTE_E3, NOTE_F3, NOTE_D3, NOTE_D3, NOTE_C3, NOTE_D3, NOTE_E3, NOTE_F3, NOTE_G3, NOTE_G3, NOTE_G3
};
// note durations: 4 = quarter note, 8 = eighth note, etc.:
/*
int noteDurations[] = {
4, 8, 8, 4, 4, 4, 4, 4
};
int noteDurations[] = {
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4
};
*/
int noteDurations[] = {
2, 2, 1, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1, 2
};
void setup() {
// iterate over the notes of the melody:
for (int thisNote = 0; thisNote < 13; 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(8, 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(8);
}
}
void loop() {
// no need to repeat the melody.
}