Sound trigger/play tune

/****************************************
 *                                      *
 *      Sound Trigger/Play Tune         *
 *                                      *
 *      Learnelectronics (C)2023        *
 *                                      *
 *                                      *
 ****************************************/


// Define the digital pin for input and output
const int inputPin = 3;
const int outputPin = 6;

// Define the notes for the Imperial March melody
#define NOTE_B0 31
#define NOTE_C1 33
#define NOTE_B0 31
#define NOTE_C1 33
#define NOTE_D1 37
#define NOTE_E1 41
#define NOTE_F1 44
#define NOTE_G1 49
#define NOTE_A1 55
#define NOTE_B1 62
#define NOTE_C2 65
#define NOTE_D2 73
#define NOTE_E2 82
#define NOTE_F2 87
#define NOTE_G2 98
#define NOTE_A2 110
#define NOTE_B2 123
#define NOTE_C3 131
#define NOTE_D3 147
#define NOTE_E3 165
#define NOTE_F3 175
#define NOTE_G3 196
#define NOTE_A3 220
#define NOTE_B3 247
#define NOTE_C4 262
#define NOTE_D4 294
#define NOTE_E4 330
#define NOTE_F4 349
#define NOTE_G4 392
#define NOTE_A4 440
#define NOTE_B4 494
#define NOTE_C5 523
#define NOTE_D5 587
#define NOTE_E5 659
#define NOTE_F5 698
#define NOTE_G5 784
#define NOTE_A5 880
#define NOTE_B5 988
#define NOTE_C6 1047
#define NOTE_D6 1175
#define NOTE_E6 1319
#define NOTE_F6 1397
#define NOTE_G6 1568
#define NOTE_A6 1760
#define NOTE_B6 1976
#define NOTE_C7 2093
#define NOTE_D7 2349
#define NOTE_E7 2637
#define NOTE_F7 2794
#define NOTE_G7 3136
#define NOTE_A7 3520
#define NOTE_B7 3951
#define NOTE_C8 4186
#define NOTE_D8 4699
#define NOTE_REST 100


int imperialMarch[] = {
  // Star Wars Imperial March
  NOTE_G4, NOTE_G4, NOTE_G4, NOTE_E4, NOTE_A4, NOTE_A4,
  NOTE_G4, NOTE_E4, NOTE_A4, NOTE_A4, NOTE_G5, NOTE_G4,
  NOTE_E5, NOTE_D5, NOTE_D5, NOTE_C5, NOTE_C5,
  NOTE_B4, NOTE_C5, NOTE_D5, NOTE_E5, NOTE_G4,
  NOTE_A4, NOTE_C5, NOTE_E5, NOTE_G5, NOTE_G4, NOTE_E4, NOTE_A4, NOTE_A4,
  NOTE_G4, NOTE_E4, NOTE_A4, NOTE_A4, NOTE_G5, NOTE_G4,
  NOTE_E5, NOTE_D5, NOTE_D5, NOTE_C5, NOTE_C5,
  NOTE_B4, NOTE_C5, NOTE_D5, NOTE_E5, NOTE_G4
};

// Define the note durations
int noteDurations[] = {
  4, 4, 4, 4, 4, 4,
  4, 4, 4, 4, 4, 4,
  4, 8, 8, 4, 4,
  4, 8, 8, 4, 4,
  4, 4, 4, 4, 4, 4, 4, 4,
  4, 4, 4, 4, 4, 4,
  4, 8, 8, 4, 4,
  4, 8, 8, 4, 4
};

void setup() {
  // Set the input and output pins
  pinMode(inputPin, INPUT);
  pinMode(outputPin, OUTPUT);
  digitalWrite(outputPin, LOW); // Ensure the output is initially off
}

void loop() {
  // Wait for a low signal on digital pin 3
  while (digitalRead(inputPin) == HIGH) {
    delay(10); // Check the input pin every 10 milliseconds
  }

  // If a low signal is detected, play the Imperial March
  playImperialMarch();
}

void playImperialMarch() {
  // Iterate through the Imperial March melody and play each note
  for (int i = 0; i < sizeof(imperialMarch) / sizeof(int); i++) {
    int noteDuration = 1000 / noteDurations[i];
    tone(outputPin, imperialMarch[i], noteDuration);
    int pauseBetweenNotes = noteDuration * 1.30; // Add a little extra time for spacing between notes
    delay(pauseBetweenNotes);
    noTone(outputPin);
  }
}