Arduino piezo music

Library for making piezo buzzer play songs with sheet music logic

Getting Started

All you need to do is to make sure you have added this line somewhere near the top of your file:

#include "piezo-music.h"

Then, simply call this function in your run loop (or wherever you want it):

playSong(BUZZER_PIN, your_melody, your_rythm, size, tempo);

Please note that both your_melody and your_rythm will be int arrays. Tempo is beats per minute.

Example

So, let's say you want to play "Twinkle twinkle little star" (the hello world of music) and you find the sheet music:

Let's first write all the notes in an array (see the available notes listed in piezo-music.h):

int twinkle_twinkle_melody[] = {
  NOTE_C4, NOTE_C4, NOTE_G4, NOTE_G4, 
  NOTE_A4, NOTE_A4, NOTE_G4,
  NOTE_F4, NOTE_F4, NOTE_E4, NOTE_E4,
  NOTE_D4, NOTE_D4, NOTE_C4
};

Then write the rythm (where 4 is a quarter note, 2 is a half note etc.):

int twinkle_twinkle_rythm[] = {
  4, 4, 4, 4, 
  4, 4, 2,
  4, 4, 4, 4, 
  4, 4, 2
};

Then simply call playSong():

int size = sizeof(twinkle_twinkle_melody) / sizeof(int); // Get the length of your array/melody
playSong(BUZZER_PIN, twinkle_twinkle_melody, twinkle_twinkle_rythm, size, 40);

See example-music.h for more songs!

Acknowledgments

This project is based on Arduino's Play a Melody using the tone() function tutorial. I just wanted to add a couple of things like tempo and pauses, and put it in a handy little library.