Ai random melody composer arduino uno r3

Projects General Guidance
1

This is an AI random melody composer for arduino uno r3, writing the command componi in the serial monitor and pressing return key it will make a new melody everytime. Use the buzzer in pin 5 and gnd.

#define BUZZER_PIN 5 // Usa il numero del pin diretto per il buzzer

void setup() {
  pinMode(BUZZER_PIN, OUTPUT);
  Serial.begin(9600);
  randomSeed(analogRead(0));
}

void loop() {
  if (Serial.available() > 0) {
    String command = Serial.readStringUntil('\n');
    command.trim(); // Rimuovi eventuali spazi bianchi extra
    if (command.equalsIgnoreCase("componi")) {
      composeRandomMelody();
    }
  }
}

void composeRandomMelody() {
  for (int i = 0; i < 8; i++) {
    int randomNote = random(1, 8);
    playNote(getNoteFrequency(randomNote), 500);
    delay(100);
  }
}

void playNote(int frequency, int duration) {
  tone(BUZZER_PIN, frequency, duration);
  delay(duration + 50);
  noTone(BUZZER_PIN);
}

int getNoteFrequency(int noteIndex) {
  switch (noteIndex) {
    case 1:
      return 262; // Do
    case 2:
      return 294; // Re
    case 3:
      return 330; // Mi
    case 4:
      return 349; // Fa
    case 5:
      return 392; // Sol
    case 6:
      return 440; // La
    case 7:
      return 494; // Si
    default:
      return 0; // Nota non valida
  }
}
3

Maybe ChatGPT "wrote" the code, hence the reference to AI.

This is pretty astounding, though, for a number-based music generator:

4

Try it in Wokwi:

Sorry @jremington but Wokwi can not make sound from high frequency PWM signals :sob:
Wokwi has extra things to make the Arduino tone() function sound smooth in the simulation in the browser.

5

i call it AI becasue it compose by itself the music. something like an human being composer.

6

The notes are chosen by a pseudorandom number generator, which follows a very definite sequence defined by the particular algorithm chosen.

7

yes i made it with the help of chat gpt but was really hard to instruct it!

8

Here the code for a melody random composer for arduino uno r3 and buzzer in pin 5 and gnd:

#define BUZZER_PIN 5 // Usa il numero del pin diretto per il buzzer

void setup() {
  pinMode(BUZZER_PIN, OUTPUT);
  Serial.begin(9600);
  randomSeed(analogRead(0));
}

void loop() {
  composeRandomMelody();
  delay(2000); // Pausa di 2 secondi tra le composizioni
}

void composeRandomMelody() {
  for (int i = 0; i < 8; i++) {
    int randomNote = random(1, 8);
    playNote(getNoteFrequency(randomNote), 500);
    delay(100);
  }
}

void playNote(int frequency, int duration) {
  tone(BUZZER_PIN, frequency, duration);
  delay(duration + 50);
  noTone(BUZZER_PIN);
}

int getNoteFrequency(int noteIndex) {
  switch (noteIndex) {
    case 1:
      return 262; // Do
    case 2:
      return 294; // Re
    case 3:
      return 330; // Mi
    case 4:
      return 349; // Fa
    case 5:
      return 392; // Sol
    case 6:
      return 440; // La
    case 7:
      return 494; // Si
    default:
      return 0; // Nota non valida
  }
}
9

And what does it produce?

10

random of the 8 piano notes.

11

No issue, no question then.
I was flying drones yesterday....

1 Like
12

I changed toothpaste flavor... and this...

1 Like
13

@toolkitman, please do not cross-post. Threads merged.

14

Well done @xfpd , do you think the OP will get the point?

15

Yes. I believe OP will see the benefit of simulation for projects (and stimulation for teeth).

16

If you want more complex melodies, you should use a midi index, Ive made one with 10 octaves.

17

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