Make a Mini Piano with arduino uno r3 and base sensor kit

Using Arduino Project Guidance
1

I have successfully made a mini piano with arduino uno r3 and sensor kit base and coding in arduino ide with chat gpt, connect the buzzer in the D5 of the shield, here the code:

//ARDUINO UNO ALPHASINTAURY SERIAL PIANO
	
	
#define BUZZER 5 // Collega il buzzer al pin 5 del kit di sensori Arduino

void setup() {
  pinMode(BUZZER, OUTPUT);
  Serial.begin(9600); // Inizializza la comunicazione seriale
}

void loop() {
  if (Serial.available() > 0) {
    char note = Serial.read();
    playNote(getNoteFrequency(note), 500);
  }
}

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

int getNoteFrequency(char note) {
  switch (note) {
    case 'c':
      return 262;
    case 'd':
      return 294;
    case 'e':
      return 330;
    case 'f':
      return 349;
    case 'g':
      return 392;
    case 'a':
      return 440;
    case 'b':
      return 494;
    case 'C':
      return 523;
    default:
      return 0; // Nota non valida
  }
}
2

Thanks for telling.

4

You are wellcome!

5

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