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April 28, 2018 22:56
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First few bars of Woe Is Me (World's Smallest Violin) from Spongebob Square Pants
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/* | |
First few bars of Woe Is Me (World's Smallest Violin) from Spongebob Square Pants | |
Requires pitches.h | |
nina@ninalp.com | |
*/ | |
#include "pitches.h" | |
const int speakerPinMelody = 26; | |
// notes in the melody: | |
int melody[] = { | |
NOTE_E5, NOTE_A4, | |
NOTE_F5, NOTE_E5, NOTE_D5, | |
NOTE_C5, NOTE_B4, NOTE_G4, NOTE_G5, NOTE_F5, | |
NOTE_E5, | |
NOTE_D5, NOTE_E5, NOTE_F5, NOTE_D5, | |
NOTE_E5, NOTE_C5, NOTE_A4, NOTE_B4, NOTE_C5, | |
NOTE_A5, NOTE_D5, NOTE_E5, NOTE_F5, NOTE_G5 | |
}; | |
// note durations: 2 = half note, 4 = quarter note, 8 = eighth note, etc.: | |
int durations[] = { | |
2, 1, | |
2, 4, 2, | |
4, 2, 2, 2, 4, | |
1, | |
2, 4, 2, 4, | |
2, 4, 2, 4, 4, | |
2, 4, 4, 4, 1 | |
}; | |
void setup() { | |
pinMode(speakerPinMelody, OUTPUT); | |
} | |
void playSong() { | |
// iterate over the notes of the melody: | |
int totalNotes = int(sizeof(melody)); | |
for (int thisNote = 0; thisNote < totalNotes; 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 / durations[thisNote]; | |
tone(speakerPinMelody, melody[thisNote], noteDuration); | |
// tone(pin, 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(speakerPinMelody); | |
} | |
delay(0); | |
} | |
void loop() { | |
// no need to repeat the melody. | |
playSong(); | |
} |
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