This was easy for me to figure out although I mixed up the wiring once again, once I corrected that It worked fine.
Enjoy the harry potter theme song.
I’ve been struggling to come up with more creative ideas and applications (creating experiences) This is definitely an area I need to improve in.
Code
int buzzer = 13;
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 = 144;
int melody[] = {
// Hedwig's theme fromn the Harry Potter Movies
// Socre from https://musescore.com/user/3811306/scores/4906610
REST, 2, NOTE_D4, 4,
NOTE_G4, -4, NOTE_AS4, 8, NOTE_A4, 4,
NOTE_G4, 2, NOTE_D5, 4,
NOTE_C5, -2,
NOTE_A4, -2,
NOTE_G4, -4, NOTE_AS4, 8, NOTE_A4, 4,
NOTE_F4, 2, NOTE_GS4, 4,
NOTE_D4, -1,
NOTE_D4, 4,
NOTE_G4, -4, NOTE_AS4, 8, NOTE_A4, 4, //10
NOTE_G4, 2, NOTE_D5, 4,
NOTE_F5, 2, NOTE_E5, 4,
NOTE_DS5, 2, NOTE_B4, 4,
NOTE_DS5, -4, NOTE_D5, 8, NOTE_CS5, 4,
NOTE_CS4, 2, NOTE_B4, 4,
NOTE_G4, -1,
NOTE_AS4, 4,
NOTE_D5, 2, NOTE_AS4, 4,//18
NOTE_D5, 2, NOTE_AS4, 4,
NOTE_DS5, 2, NOTE_D5, 4,
NOTE_CS5, 2, NOTE_A4, 4,
NOTE_AS4, -4, NOTE_D5, 8, NOTE_CS5, 4,
NOTE_CS4, 2, NOTE_D4, 4,
NOTE_D5, -1,
REST,4, NOTE_AS4,4,
NOTE_D5, 2, NOTE_AS4, 4,//26
NOTE_D5, 2, NOTE_AS4, 4,
NOTE_F5, 2, NOTE_E5, 4,
NOTE_DS5, 2, NOTE_B4, 4,
NOTE_DS5, -4, NOTE_D5, 8, NOTE_CS5, 4,
NOTE_CS4, 2, NOTE_AS4, 4,
NOTE_G4, -1,
};
// 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 (60s/tempo)*4 beats
int wholenote = (60000 * 4) / tempo;
int divider = 0, noteDuration = 0;
void setup() {
//start serial connection
Serial.begin(9600);
//configure pin 2 as an input and enable the internal pull-up resistor
pinMode(2, INPUT_PULLUP);
pinMode(buzzer, OUTPUT);
}
void loop() {
//read the pushbutton value into a variable
int sensorVal = digitalRead(2);
//print out the value of the pushbutton
Serial.println(sensorVal);
// Keep in mind the pull-up means the pushbutton's logic is inverted. It goes
// HIGH when it's open, and LOW when it's pressed. Turn on pin 13 when the
// button's pressed, and off when it's not:
if (sensorVal == HIGH) {
noTone(buzzer);
}
else{
// iterate over the notes of the melody.
// Remember, the array is twice the number of notes (notes + durations)
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 specific duration before playing the next note.
delay(noteDuration);
// stop the waveform generation before the next note.
noTone(buzzer);
}
}