SKETCH
CODE
#define NB0 31
#define NC1 33
#define NCS1 35
#define ND1 37
#define NDS1 39
#define NE1 41
#define NF1 44
#define NFS1 46
#define NG1 49
#define NGS1 52
#define NA1 55
#define NAS1 58
#define NB1 62
#define NC2 65
#define NCS2 69
#define ND2 73
#define NDS2 78
#define NE2 82
#define NF2 87
#define NFS2 93
#define NG2 98
#define NGS2 104
#define NA2 110
#define NAS2 117
#define NB2 123
#define NC3 131
#define NCS3 139
#define ND3 147
#define NDS3 156
#define NE3 165
#define NF3 175
#define NFS3 185
#define NG3 196
#define NGS3 208
#define NA3 220
#define NAS3 233
#define NB3 247
#define NC4 262
#define NCS4 277
#define ND4 294
#define NDS4 311
#define NE4 330
#define NF4 349
#define NFS4 370
#define NG4 392
#define NGS4 415
#define NA4 440
#define NAS4 466
#define NB4 494
#define NC5 523
#define NCS5 554
#define ND5 587
#define NDS5 622
#define NE5 659
#define NF5 698
#define NFS5 740
#define NG5 784
#define NGS5 831
#define NA5 880
#define NAS5 932
#define NB5 988
#define NC6 1047
#define NCS6 1109
#define ND6 1175
#define NDS6 1245
#define NE6 1319
#define NF6 1397
#define NFS6 1480
#define NG6 1568
#define NGS6 1661
#define NA6 1760
#define NAS6 1865
#define NB6 1976
#define NC7 2093
#define NCS7 2217
#define ND7 2349
#define NDS7 2489
#define NE7 2637
#define NF7 2794
#define NFS7 2960
#define NG7 3136
#define NGS7 3322
#define NA7 3520
#define NAS7 3729
#define NB7 3951
#define NC8 4186
#define NCS8 4435
#define ND8 4699
#define NDS8 4978
#define melodyPin 3
int melody[] = {
NA4, NC5, NE5, NA5, NB5, NE5, NC5, NB5,
NC6, NE5, NC5, NC6, NFS5, ND5, NA4, NFS5,
NE5, NC5, NA4, NC5, 0, NE5, NC5, NA4,
NG4, NA4, NA4, 0, 0, NA4, NF5, NE5,
NA4, NA4, NC5, NE5, NB5, NE5, NC5, NB5,
NC6, NE5, NC5, NC6, NFS5, ND5, NA4, NFS5,
NE5, NC5, NA4, NC5, 0, NE5, NC5, NA4,
NG4, NA4, NA4, 0, 0, 0, NA4, NB4,
NC5, NE5, NG5, NC5, NB4, ND5, NG5, NB4,
NB4, NC5, NA4, NA4, NC5, NE5, NA5, NA4,
NB4, NC5, NG4, NC4, NC5, NG5, ND5, NG4,
NG5, NG5, NFS5, ND5, ND5, 0, 0, NA4, NB4,
NC5, NE5, NG5, NC5, NB4, ND5, NG5, NB4,
NB4, NC5, NA4, NA4, NC5, NE5, NA5, NA4, NB4,
NC5, NE5, NG5, NC6, ND5, NFS5, NA5,
ND6, NE5, NE5, NE5, 0, 0,
};
int tempo[] = {
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 4, 12, 8, 8, 8,
8, 8, 8, 8, 4, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 4, 12, 8, 8, 8,
8, 8, 8, 8, 4, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
16, 16, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
16, 16, 8, 4, 12, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
16, 16, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 2, 4, 4,
};
void setup(void)
{
pinMode(3, OUTPUT);
pinMode(13, OUTPUT);
}
void loop()
{
sing(1);
}
int song = 0;
void sing(int s)
{
song = s;
if (song == 1) {
Serial.println(" 'Stairway to Heaven'");
int size = sizeof(melody) / sizeof(int);
for (int thisNote = 0; thisNote < size; thisNote++) {
int noteDuration = 1200 / tempo[thisNote];
buzz(melodyPin, melody[thisNote], noteDuration);
int pauseBetweenNotes = noteDuration * 1.30;
delay(pauseBetweenNotes);
buzz(melodyPin, 0, noteDuration);
}
}
}
void buzz(int targetPin, long frequency, long length) {
digitalWrite(13, HIGH);
long delayValue = 1000000 / frequency / 2;
long numCycles = frequency * length / 1000;
for (long i = 0; i < numCycles; i++) {
digitalWrite(targetPin, HIGH);
delayMicroseconds(delayValue);
digitalWrite(targetPin, LOW);
delayMicroseconds(delayValue);
}
digitalWrite(13, LOW);
}
