const int LDR_PIN = 2;     // GPIO2 connected to LDR A0
const int LED_PIN = 13;    // GPIO13 connected to LED

void setup() {
  Serial.begin(115200);
  pinMode(LED_PIN, OUTPUT);
}

void loop() {
  int ldrValue = analogRead(LDR_PIN); // Read analog value (0-4095)
  Serial.println(ldrValue);

  // Dark condition = higher ADC value, adjust threshold if needed
  if (ldrValue > 2000) {
    digitalWrite(LED_PIN, HIGH); // LED ON
  } else {
    digitalWrite(LED_PIN, LOW);  // LED OFF
  }

  delay(200);
}