Project showcase
Piezo Christmas Songs

Piezo Christmas Songs © GPL3+

For a digital Christmas, let your Arduino play songs with a piezo buzzer.

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  • 14 comments
  • 45 respects

Components and supplies

About this project

I wanted to make a funny Christmas project. Since I'm just starting with Arduino and I only have the parts from the Starter Kit, it had to be something easy. I came across the Super Mario theme with a piezo buzzer project from Dipto Pratyaksa. I decided to recreate it.

First step was adding push buttons, one for every song.

Next step: learning how to convert sheet music to code. With the instructions Nathan Seidle provided on his Github, I successfully converted the sheet music from three classic Christmas songs: We wish you a merry Christmas, Jingle Bells and Santa Claus is coming to town.

Don't forget to include the pitches.h file, you can find it here. (The second set of code on the page).

The result: three cheerful Christmas songs

Have you tried to recreate my project? I would love to see your pictures or videos.

Code

Arduino Christmas SongsArduino
/*
  Arduino Christmas Songs
  
  Based on a project and code by Dipto Pratyaksa, updated on 31/3/13

  Modified for Christmas by Joshi, on Dec 17th, 2017.
*/

#include "pitches.h"

#define melodyPin 9

// Jingle Bells

int melody[] = {
  NOTE_E5, NOTE_E5, NOTE_E5,
  NOTE_E5, NOTE_E5, NOTE_E5,
  NOTE_E5, NOTE_G5, NOTE_C5, NOTE_D5,
  NOTE_E5,
  NOTE_F5, NOTE_F5, NOTE_F5, NOTE_F5,
  NOTE_F5, NOTE_E5, NOTE_E5, NOTE_E5, NOTE_E5,
  NOTE_E5, NOTE_D5, NOTE_D5, NOTE_E5,
  NOTE_D5, NOTE_G5
};

int tempo[] = {
  8, 8, 4,
  8, 8, 4,
  8, 8, 8, 8,
  2,
  8, 8, 8, 8,
  8, 8, 8, 16, 16,
  8, 8, 8, 8,
  4, 4
};

// We wish you a merry Christmas

int wish_melody[] = {
  NOTE_B3, 
  NOTE_F4, NOTE_F4, NOTE_G4, NOTE_F4, NOTE_E4,
  NOTE_D4, NOTE_D4, NOTE_D4,
  NOTE_G4, NOTE_G4, NOTE_A4, NOTE_G4, NOTE_F4,
  NOTE_E4, NOTE_E4, NOTE_E4,
  NOTE_A4, NOTE_A4, NOTE_B4, NOTE_A4, NOTE_G4,
  NOTE_F4, NOTE_D4, NOTE_B3, NOTE_B3,
  NOTE_D4, NOTE_G4, NOTE_E4,
  NOTE_F4
};

int wish_tempo[] = {
  4,
  4, 8, 8, 8, 8,
  4, 4, 4,
  4, 8, 8, 8, 8,
  4, 4, 4,
  4, 8, 8, 8, 8,
  4, 4, 8, 8,
  4, 4, 4,
  2
};

// Santa Claus is coming to town

int santa_melody[] = {
  NOTE_G4,
  NOTE_E4, NOTE_F4, NOTE_G4, NOTE_G4, NOTE_G4,
  NOTE_A4, NOTE_B4, NOTE_C5, NOTE_C5, NOTE_C5,
  NOTE_E4, NOTE_F4, NOTE_G4, NOTE_G4, NOTE_G4,
  NOTE_A4, NOTE_G4, NOTE_F4, NOTE_F4,
  NOTE_E4, NOTE_G4, NOTE_C4, NOTE_E4,
  NOTE_D4, NOTE_F4, NOTE_B3,
  NOTE_C4
};

int santa_tempo[] = {
  8,
  8, 8, 4, 4, 4,
  8, 8, 4, 4, 4,
  8, 8, 4, 4, 4,
  8, 8, 4, 2,
  4, 4, 4, 4,
  4, 2, 4,
  1
};

int switchOne = 0;
int switchTwo = 0;
int switchThree = 0;

void setup(void) {
  pinMode(9, OUTPUT); // Buzzer
  pinMode(13, OUTPUT); // Led indicator when singing a note
  pinMode(2, INPUT);
  pinMode(3, INPUT);
  pinMode(4, INPUT);
}

void loop() {
  switchOne = digitalRead(2);
  switchTwo = digitalRead(3);
  switchThree = digitalRead(4);
  if (switchOne == HIGH) {
    sing(1);
  } else if (switchTwo == HIGH) {
    sing(2);
  } else if (switchThree == HIGH) {
    sing(3);
  }
}

int song = 0;

void sing(int s) {
  // iterate over the notes of the melody:
  song = s;
  if (song == 3) {
    Serial.println(" 'We wish you a Merry Christmas'");
    int size = sizeof(wish_melody) / sizeof(int);
    for (int thisNote = 0; thisNote < size; 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 / wish_tempo[thisNote];

      buzz(melodyPin, wish_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:
      buzz(melodyPin, 0, noteDuration);

    }
  } else if (song == 2) {
    Serial.println(" 'Santa Claus is coming to town'");
    int size = sizeof(santa_melody) / sizeof(int);
    for (int thisNote = 0; thisNote < size; 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 = 900 / santa_tempo[thisNote];

      buzz(melodyPin, santa_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:
      buzz(melodyPin, 0, noteDuration);

    }
  } else {

    Serial.println(" 'Jingle Bells'");
    int size = sizeof(melody) / sizeof(int);
    for (int thisNote = 0; thisNote < size; 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 / tempo[thisNote];

      buzz(melodyPin, 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:
      buzz(melodyPin, 0, noteDuration);

    }
  }
}

void buzz(int targetPin, long frequency, long length) {
  digitalWrite(13, HIGH);
  long delayValue = 1000000 / frequency / 2; // calculate the delay value between transitions
  //// 1 second's worth of microseconds, divided by the frequency, then split in half since
  //// there are two phases to each cycle
  long numCycles = frequency * length / 1000; // calculate the number of cycles for proper timing
  //// multiply frequency, which is really cycles per second, by the number of seconds to
  //// get the total number of cycles to produce
  for (long i = 0; i < numCycles; i++) { // for the calculated length of time...
    digitalWrite(targetPin, HIGH); // write the buzzer pin high to push out the diaphram
    delayMicroseconds(delayValue); // wait for the calculated delay value
    digitalWrite(targetPin, LOW); // write the buzzer pin low to pull back the diaphram
    delayMicroseconds(delayValue); // wait again or the calculated delay value
  }
  digitalWrite(13, LOW);

}
pitches.hArduino
/*************************************************
 * Public Constants
 *************************************************/

#define NOTE_B0  31
#define NOTE_C1  33
#define NOTE_CS1 35
#define NOTE_D1  37
#define NOTE_DS1 39
#define NOTE_E1  41
#define NOTE_F1  44
#define NOTE_FS1 46
#define NOTE_G1  49
#define NOTE_GS1 52
#define NOTE_A1  55
#define NOTE_AS1 58
#define NOTE_B1  62
#define NOTE_C2  65
#define NOTE_CS2 69
#define NOTE_D2  73
#define NOTE_DS2 78
#define NOTE_E2  82
#define NOTE_F2  87
#define NOTE_FS2 93
#define NOTE_G2  98
#define NOTE_GS2 104
#define NOTE_A2  110
#define NOTE_AS2 117
#define NOTE_B2  123
#define NOTE_C3  131
#define NOTE_CS3 139
#define NOTE_D3  147
#define NOTE_DS3 156
#define NOTE_E3  165
#define NOTE_F3  175
#define NOTE_FS3 185
#define NOTE_G3  196
#define NOTE_GS3 208
#define NOTE_A3  220
#define NOTE_AS3 233
#define NOTE_B3  247
#define NOTE_C4  262
#define NOTE_CS4 277
#define NOTE_D4  294
#define NOTE_DS4 311
#define NOTE_E4  330
#define NOTE_F4  349
#define NOTE_FS4 370
#define NOTE_G4  392
#define NOTE_GS4 415
#define NOTE_A4  440
#define NOTE_AS4 466
#define NOTE_B4  494
#define NOTE_C5  523
#define NOTE_CS5 554
#define NOTE_D5  587
#define NOTE_DS5 622
#define NOTE_E5  659
#define NOTE_F5  698
#define NOTE_FS5 740
#define NOTE_G5  784
#define NOTE_GS5 831
#define NOTE_A5  880
#define NOTE_AS5 932
#define NOTE_B5  988
#define NOTE_C6  1047
#define NOTE_CS6 1109
#define NOTE_D6  1175
#define NOTE_DS6 1245
#define NOTE_E6  1319
#define NOTE_F6  1397
#define NOTE_FS6 1480
#define NOTE_G6  1568
#define NOTE_GS6 1661
#define NOTE_A6  1760
#define NOTE_AS6 1865
#define NOTE_B6  1976
#define NOTE_C7  2093
#define NOTE_CS7 2217
#define NOTE_D7  2349
#define NOTE_DS7 2489
#define NOTE_E7  2637
#define NOTE_F7  2794
#define NOTE_FS7 2960
#define NOTE_G7  3136
#define NOTE_GS7 3322
#define NOTE_A7  3520
#define NOTE_AS7 3729
#define NOTE_B7  3951
#define NOTE_C8  4186
#define NOTE_CS8 4435
#define NOTE_D8  4699
#define NOTE_DS8 4978

Schematics

Wiring
christmas_songs_8YoYsSGLAc.fzz

Comments

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