#include <Wire.h>
// set the LCD address to 0x27 for a 16 chars and 2 line display
#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
#define REST 0
// change this to make the song slower or faster
int tempo = 140;
// change this to whichever pin you want to use
int buzzer = 3;
// notes of the moledy followed by the duration.
// a 4 means a quarter note, 8 an eighteenth , 16 sixteenth, so on
// !!negative numbers are used to represent dotted notes,
// so -4 means a dotted quarter note, that is, a quarter plus an eighteenth!!
int melody[] = {
// We Wish You a Merry Christmas
// Score available at https://musescore.com/user/6208766/scores/1497501
NOTE_C5,4, //1
NOTE_F5,4, NOTE_F5,8, NOTE_G5,8, NOTE_F5,8, NOTE_E5,8,
NOTE_D5,4, NOTE_D5,4, NOTE_D5,4,
NOTE_G5,4, NOTE_G5,8, NOTE_A5,8, NOTE_G5,8, NOTE_F5,8,
NOTE_E5,4, NOTE_C5,4, NOTE_C5,4,
NOTE_A5,4, NOTE_A5,8, NOTE_AS5,8, NOTE_A5,8, NOTE_G5,8,
NOTE_F5,4, NOTE_D5,4, NOTE_C5,8, NOTE_C5,8,
NOTE_D5,4, NOTE_G5,4, NOTE_E5,4,
NOTE_F5,2, NOTE_C5,4, //8
NOTE_F5,4, NOTE_F5,8, NOTE_G5,8, NOTE_F5,8, NOTE_E5,8,
NOTE_D5,4, NOTE_D5,4, NOTE_D5,4,
NOTE_G5,4, NOTE_G5,8, NOTE_A5,8, NOTE_G5,8, NOTE_F5,8,
NOTE_E5,4, NOTE_C5,4, NOTE_C5,4,
NOTE_A5,4, NOTE_A5,8, NOTE_AS5,8, NOTE_A5,8, NOTE_G5,8,
NOTE_F5,4, NOTE_D5,4, NOTE_C5,8, NOTE_C5,8,
NOTE_D5,4, NOTE_G5,4, NOTE_E5,4,
NOTE_F5,2, NOTE_C5,4,
NOTE_F5,4, NOTE_F5,4, NOTE_F5,4,//17
NOTE_E5,2, NOTE_E5,4,
NOTE_F5,4, NOTE_E5,4, NOTE_D5,4,
NOTE_C5,2, NOTE_A5,4,
NOTE_AS5,4, NOTE_A5,4, NOTE_G5,4,
NOTE_C6,4, NOTE_C5,4, NOTE_C5,8, NOTE_C5,8,
NOTE_D5,4, NOTE_G5,4, NOTE_E5,4,
NOTE_F5,2, NOTE_C5,4,
NOTE_F5,4, NOTE_F5,8, NOTE_G5,8, NOTE_F5,8, NOTE_E5,8,
NOTE_D5,4, NOTE_D5,4, NOTE_D5,4,
NOTE_G5,4, NOTE_G5,8, NOTE_A5,8, NOTE_G5,8, NOTE_F5,8, //27
NOTE_E5,4, NOTE_C5,4, NOTE_C5,4,
NOTE_A5,4, NOTE_A5,8, NOTE_AS5,8, NOTE_A5,8, NOTE_G5,8,
NOTE_F5,4, NOTE_D5,4, NOTE_C5,8, NOTE_C5,8,
NOTE_D5,4, NOTE_G5,4, NOTE_E5,4,
NOTE_F5,2, NOTE_C5,4,
NOTE_F5,4, NOTE_F5,4, NOTE_F5,4,
NOTE_E5,2, NOTE_E5,4,
NOTE_F5,4, NOTE_E5,4, NOTE_D5,4,
NOTE_C5,2, NOTE_A5,4,//36
NOTE_AS5,4, NOTE_A5,4, NOTE_G5,4,
NOTE_C6,4, NOTE_C5,4, NOTE_C5,8, NOTE_C5,8,
NOTE_D5,4, NOTE_G5,4, NOTE_E5,4,
NOTE_F5,2, NOTE_C5,4,
NOTE_F5,4, NOTE_F5,8, NOTE_G5,8, NOTE_F5,8, NOTE_E5,8,
NOTE_D5,4, NOTE_D5,4, NOTE_D5,4,
NOTE_G5,4, NOTE_G5,8, NOTE_A5,8, NOTE_G5,8, NOTE_F5,8,
NOTE_E5,4, NOTE_C5,4, NOTE_C5,4,
NOTE_A5,4, NOTE_A5,8, NOTE_AS5,8, NOTE_A5,8, NOTE_G5,8,//45
NOTE_F5,4, NOTE_D5,4, NOTE_C5,8, NOTE_C5,8,
NOTE_D5,4, NOTE_G5,4, NOTE_E5,4,
NOTE_F5,2, NOTE_C5,4,
NOTE_F5,4, NOTE_F5,8, NOTE_G5,8, NOTE_F5,8, NOTE_E5,8,
NOTE_D5,4, NOTE_D5,4, NOTE_D5,4,
NOTE_G5,4, NOTE_G5,8, NOTE_A5,8, NOTE_G5,8, NOTE_F5,8,
NOTE_E5,4, NOTE_C5,4, NOTE_C5,4,
NOTE_A5,4, NOTE_A5,8, NOTE_AS5,8, NOTE_A5,8, NOTE_G5,8, //53
NOTE_F5,4, NOTE_D5,4, NOTE_C5,8, NOTE_C5,8,
NOTE_D5,4, NOTE_G5,4, NOTE_E5,4,
NOTE_F5,2, REST,4
};
// sizeof gives the number of bytes, each int value is composed of two bytes (16 bits)
// there are two values per note (pitch and duration), so for each note there are four bytes
int notes = sizeof(melody) / sizeof(melody[0]) / 2;
// this calculates the duration of a whole note in ms
int wholenote = (60000 * 4) / tempo;
int divider = 0, noteDuration = 0;
#define REDPIN 12
#define GREENPIN 2
#define BLUEPIN 13
#define Ccs 2 //Color change speed you can change it.
void setup() {
pinMode(REDPIN, OUTPUT);
pinMode(GREENPIN, OUTPUT);
pinMode(BLUEPIN, OUTPUT);
}
void loop() {
int r, g, b;
// fade from blue to violet
for (r = 0; r <random(255); r++) {
analogWrite(REDPIN, r);
delay(Ccs);
}
// fade from violet to red
for (b = random(255); b > 0; b--) {
analogWrite(BLUEPIN, b);
delay(Ccs);
}
// fade from red to yellow
for (g = 0; g < random(255); g++) {
analogWrite(GREENPIN, g);
delay(Ccs);
}
// fade from yellow to green
for (r = random(255); r > 0; r--) {
analogWrite(REDPIN, r);
delay(Ccs);
}
// fade from green to teal
for (b = 0; b < random(255); b++) {
analogWrite(BLUEPIN, b);
delay(Ccs);
}
// fade from teal to blue
for (g = random(255); g > 0; g++) {
analogWrite(GREENPIN, g);
delay(Ccs);
//delay(10000);
for (int thisNote = 0; thisNote < notes * 2; thisNote = thisNote + 2) {
// calculates the duration of each note
divider = melody[thisNote + 1];
if (divider > 0) {
// regular note, just proceed
noteDuration = (wholenote) / divider;
} else if (divider < 0) {
// dotted notes are represented with negative durations!!
noteDuration = (wholenote) / abs(divider);
noteDuration *= 1.5; // increases the duration in half for dotted notes
}
// we only play the note for 90% of the duration, leaving 10% as a pause
tone(buzzer, melody[thisNote], noteDuration * 0.9);
// Wait for the specief duration before playing the next note.
delay(noteDuration);
// stop the waveform generation before the next note.
noTone(buzzer);
}
// fade from blue to violet
}
}