#include "pitches.h"

#define SPEAKER_PIN 3
#define LDR_THRESHOLD 500  // Adjust based on lighting conditions

const uint8_t ldrPins[] = {A0, A1, A2, A3, A4, A5};  // LDR analog pins
const int ldrTones[] = {
  NOTE_C2, NOTE_D2, NOTE_E2, NOTE_F2,
  NOTE_G2, NOTE_A2
};
const int numTones = sizeof(ldrPins) / sizeof(ldrPins[0]);

void setup() {
  pinMode(SPEAKER_PIN, OUTPUT);
}

void loop() {
  int pitch = 0;
  for (uint8_t i = 0; i < numTones; i++) {
    int ldrValue = analogRead(ldrPins[i]);  // Read LDR value
    if (ldrValue < LDR_THRESHOLD) {  // Hand blocks light → Play note
      pitch = ldrTones[i];
    }
  }
  if (pitch) {
    tone(SPEAKER_PIN, pitch);
  } else {
    noTone(SPEAKER_PIN);
  }
}