Problema led a ritmo di musica.

International Italiano Generale
1

Ho provato a realizzare uno sketch che mi permetta di accendere un led dopo l'altro andando a ritmo con uno speaker. Il mio intento è accendere un led diverso ogni volta che lo speaker suona una nota. Provandoci, ho ottenuto un risultato che non era quello sperato: Arduino esegue i codici per accendere e spegnere i led ma senza musica.

Ecco il codice:

int ledV = 3;
int ledR = 4;
int ledB = 5;
int buzzer = 6;
int buzzer2 = 11;
int songspeed = 1.5;
#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_E5  659
#define NOTE_F5  698
#define NOTE_G5  784
#define NOTE_A5  880
#define NOTE_B5  988

int notes[] = {
  NOTE_CS4, NOTE_DS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_DS4, NOTE_G4, NOTE_GS4, NOTE_G4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_GS4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_CS4, NOTE_DS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_DS4, NOTE_G4, NOTE_GS4, NOTE_G4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_GS4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_CS4, NOTE_DS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_DS4, NOTE_G4, NOTE_GS4, NOTE_G4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_GS4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_CS4, NOTE_DS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_DS4, NOTE_G4, NOTE_GS4, NOTE_G4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_GS4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_CS4, NOTE_DS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_DS4, NOTE_G4, NOTE_GS4, NOTE_G4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_GS4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_CS4, NOTE_DS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_DS4, NOTE_G4, NOTE_GS4, NOTE_G4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_GS4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_CS4, NOTE_DS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_DS4, NOTE_G4, NOTE_GS4, NOTE_G4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_GS4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_CS4, NOTE_DS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_DS4, NOTE_G4, NOTE_GS4, NOTE_G4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_GS4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_CS4
  
  };

int duration[] = {
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356
  
  };
  
void setup() {
  pinMode(ledV, OUTPUT);
  pinMode(ledR, OUTPUT);
  pinMode(ledB, OUTPUT);
  digitalWrite(ledR, HIGH);
  delay(356);
  digitalWrite(ledR, LOW);
  delay(356);
  digitalWrite(ledB, HIGH);
  delay(356);
  digitalWrite(ledB, LOW);
  delay(356);
  digitalWrite(ledV, HIGH);
  delay(356);
  digitalWrite(ledV, LOW);
  delay(356);
  digitalWrite(ledR, HIGH);
  digitalWrite(ledV, HIGH);
  digitalWrite(ledB, HIGH);
  delay(356);
  for (int i=0;i<162;i++){              //162 is the total number of music notes in the song
  int wait = duration[i] * songspeed;
  tone(buzzer,notes[i],wait);          //tone(pin,frequency,duration)
  delay(wait);}                        //delay is used so it doesn't go to the next loop before tone is finished playing
  //You can click reset on Arduino to replay the song
}

void loop()
{

 }

Soluzioni?

2

in pratica tu hai un array di note ed un secondo di durate

mandi in esecuzione successivamente le note, con la loro durata associata

giusto?

come vuoi associare i led alle note?

intendo: hai una tabella colore-nota?

3

OxyZe:
Il mio intento è accendere un led diverso ogni volta che lo speaker suona una nota. Provandoci, ho ottenuto un risultato che non era quello sperato: Arduino esegue i codici per accendere e spegnere i led ma senza musica.

Eh certo, tu accendi le luci nel setup(), prima di emettere le note, come pensi siano correlate in qualche modo?

Per cui dando per scontato che tu voglia accensioni casuali, prova qualcosa del genere (non l'ho provato, devi verificare tu e soprattutto cercare di capire cosa ho fatto):

int ledV = 3;
int ledR = 4;
int ledB = 5;
int buzzer = 6;
int buzzer2 = 11;
int songspeed = 1.5;
#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_E5  659
#define NOTE_F5  698
#define NOTE_G5  784
#define NOTE_A5  880
#define NOTE_B5  988

int notes[] = {
  NOTE_CS4, NOTE_DS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_DS4, NOTE_G4, NOTE_GS4, NOTE_G4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_GS4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_CS4, NOTE_DS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_DS4, NOTE_G4, NOTE_GS4, NOTE_G4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_GS4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_CS4, NOTE_DS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_DS4, NOTE_G4, NOTE_GS4, NOTE_G4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_GS4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_CS4, NOTE_DS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_DS4, NOTE_G4, NOTE_GS4, NOTE_G4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_GS4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_CS4, NOTE_DS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_DS4, NOTE_G4, NOTE_GS4, NOTE_G4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_GS4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_CS4, NOTE_DS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_DS4, NOTE_G4, NOTE_GS4, NOTE_G4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_GS4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_CS4, NOTE_DS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_DS4, NOTE_G4, NOTE_GS4, NOTE_G4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_GS4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_CS4, NOTE_DS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_DS4, NOTE_G4, NOTE_GS4, NOTE_G4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_GS4, 0,
  NOTE_F4, NOTE_GS4, NOTE_GS4, NOTE_DS4, 0,
  NOTE_CS4
  
  };

int duration[] = {
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356, 356, 356, 356, 10,
  356
  
  };
  
void setup() {
  pinMode(ledV, OUTPUT);
  pinMode(ledR, OUTPUT);
  pinMode(ledB, OUTPUT);
  randomSeed(analogRead(0)); // Inizializzo il generatore di numeri casuali
  for (int i=0;i<162;i++) {              //162 is the total number of music notes in the song
    int wait = duration[i] * songspeed;
    tone(buzzer,notes[i],wait);          //tone(pin,frequency,duration)

    // Accendi i led casualmente 
    digitalWrite(ledR, (random(2)==1));
    digitalWrite(ledV, (random(2)==1));
    digitalWrite(ledB, (random(2)==1));
    
    delay(wait);
  }                        //delay is used so it doesn't go to the next loop before tone is finished playing

  // Spengo i led
  digitalWrite(ledR, LOW);
  digitalWrite(ledV, LOW);
  digitalWrite(ledB, LOW);

  //You can click reset on Arduino to replay the song
}

void loop() {}