Melodia de harry potter en arduino UNO

Melodía de Harry Potter en Arduino UNO

Circuito eléctrico:

Lista de componentes

1 Arduino UNO

2 resistencias de 1K

2 leds

1 zumbador o piezo eléctrico

Programación:

// TONES  ==========================================

#define  Bb    2146

#define  b     2024

#define  c     1912    

#define  db    1805  

#define  d     1703  

#define  eb    1608

#define  e     1517      

#define  f     1432    

#define  gb    1351      

#define  g     1276    

#define  ab    1233

#define  a     1136

#define  bb    1073  

#define  B     1012

#define  C     956

#define  Db    902

#define  D     851

// Define a special note, 'R', to represent a rest

#define  R     0

int speakerOut = 9;

int ledPin1=12;

int ledPin2=13;

void setup() {

  pinMode(speakerOut, OUTPUT);

  pinMode(ledPin1, OUTPUT);

 pinMode(ledPin2, OUTPUT);

  }

// MELODY and TIMING  =======================================

//  melody[] is an array of notes, accompanied by beats[],

//  which sets each note's relative length (higher #, longer note)

int melody[] = {  b,  e,  g, gb,  e,  B,  a, gb,  e,  g, gb, eb,  f,  b,  b,  e,  g,  gb,  e,  B,  D,  Db,  C,  ab,  C,  B,  bb,  gb,  g,  e,   g,  B,  g,  B,  g,  C,  B,  bb,  gb,  g,  B,  bb,  Bb,  c,   B,  g,  B,  g,  B,  g,  D,  Db,  C,  ab,  C,  B,  bb,  gb,  g,   e, R };

int beats[]  = { 32, 64, 16, 32, 64, 32, 64, 64, 64, 16, 32, 64, 32, 64, 32, 64, 16,  32, 64, 32, 64,  32, 64,  32, 64, 32,  64,  32, 32, 128, 32, 64, 32, 64, 32, 64, 32,  64,  32, 64, 16,  32,  64, 32, 128, 32, 64, 32, 64, 32, 64,  32, 64,  32, 64, 32,  64,  32, 32, 128, 8 };

int MAX_COUNT = sizeof(melody) / 2; // Melody length, for looping.

// Set overall tempo

long tempo = 10000;

// Set length of pause between notes

int pause = 1000;

// Loop variable to increase Rest length

int rest_count = 100; //<-BLETCHEROUS HACK; See NOTES

// Initialize core variables

int tone_ = 0;

int beat = 0;

long duration  = 0;

// PLAY TONE  ==============================================

// Pulse the speaker to play a tone for a particular duration

void playTone() {

  long elapsed_time = 0;

  if (tone_ > 0) { // if this isn't a Rest beat, while the tone has

    //  played less long than 'duration', pulse speaker HIGH and LOW

    while (elapsed_time < duration) {

      digitalWrite(speakerOut,HIGH);

      delayMicroseconds(tone_ / 2);

      // DOWN

      digitalWrite(speakerOut, LOW);

      delayMicroseconds(tone_ / 2);

      // Keep track of how long we pulsed

      elapsed_time += (tone_);

    }

  }

 

  else { // Rest beat; loop times delay

    for (int j = 0; j < rest_count; j++) { // See NOTE on rest_count

      delayMicroseconds(duration);  

    }                                

  }                                

}

// LET THE WILD RUMPUS BEGIN =============================

void loop() {

  // Set up a counter to pull from melody[] and beats[]

  for (int i=0; i<MAX_COUNT; i++) {

    tone_ = melody[i];

    beat = beats[i];

    duration = beat * tempo; // Set up timing

if (duration>=340000){

    digitalWrite(ledPin1,HIGH);

    digitalWrite(ledPin2,LOW);

  }else{

digitalWrite(ledPin1,LOW);

    digitalWrite(ledPin2,HIGH);

  }

    playTone();

    // A pause between notes...

    delayMicroseconds(pause);

    }

  }