#define BUTTON_PIN 2
#define SPEAKER_PIN 8
#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
int tempo = 140;
int melody[] = {
NOTE_FS5,8, NOTE_FS5,8,NOTE_D5,8, NOTE_B4,8, REST,8, NOTE_B4,8, REST,8, NOTE_E5,8,
REST,8, NOTE_E5,8, REST,8, NOTE_E5,8, NOTE_GS5,8, NOTE_GS5,8, NOTE_A5,8, NOTE_B5,8,
NOTE_A5,8, NOTE_A5,8, NOTE_A5,8, NOTE_E5,8, REST,8, NOTE_D5,8, REST,8, NOTE_FS5,8,
REST,8, NOTE_FS5,8, REST,8, NOTE_FS5,8, NOTE_E5,8, NOTE_E5,8, NOTE_FS5,8, NOTE_E5,8,
NOTE_FS5,8, NOTE_FS5,8,NOTE_D5,8, NOTE_B4,8, REST,8, NOTE_B4,8, REST,8, NOTE_E5,8,
REST,8, NOTE_E5,8, REST,8, NOTE_E5,8, NOTE_GS5,8, NOTE_GS5,8, NOTE_A5,8, NOTE_B5,8,
NOTE_A5,8, NOTE_A5,8, NOTE_A5,8, NOTE_E5,8, REST,8, NOTE_D5,8, REST,8, NOTE_FS5,8,
REST,8, NOTE_FS5,8, REST,8, NOTE_FS5,8, NOTE_E5,8, NOTE_E5,8, NOTE_FS5,8, NOTE_E5,8,
NOTE_FS5,8, NOTE_FS5,8,NOTE_D5,8, NOTE_B4,8, REST,8, NOTE_B4,8, REST,8, NOTE_E5,8,
REST,8, NOTE_E5,8, REST,8, NOTE_E5,8, NOTE_GS5,8, NOTE_GS5,8, NOTE_A5,8, NOTE_B5,8,
NOTE_A5,8, NOTE_A5,8, NOTE_A5,8, NOTE_E5,8, REST,8, NOTE_D5,8, REST,8, NOTE_FS5,8,
REST,8, NOTE_FS5,8, REST,8, NOTE_FS5,8, NOTE_E5,8, NOTE_E5,8, NOTE_FS5,8, NOTE_E5,8,
};
int notes = sizeof(melody) / sizeof(melody[0]) / 2;
int wholenote = (60000 * 4) / tempo;
int divider = 0, noteDuration = 0;
void setup() {
pinMode(BUTTON_PIN, INPUT);
pinMode(SPEAKER_PIN, OUTPUT);
}
void loop() {
if(digitalRead(BUTTON_PIN) == HIGH) {
for (int thisNote = 0; thisNote < notes * 2; thisNote = thisNote + 2) {
divider = melody[thisNote + 1];
if (divider > 0) {
noteDuration = (wholenote) / divider;
} else if (divider < 0) {
noteDuration = (wholenote) / abs(divider);
noteDuration *= 1.5;
}
tone(SPEAKER_PIN, melody[thisNote], noteDuration*0.9);
delay(noteDuration);
noTone(SPEAKER_PIN);
}
randomSeed(analogRead(0));
} }