#define PHOTO_PIN 34 // ADC pin connected to photoresistor
#define LED_PIN 0   // Digital pin connected to LED


#define GAMMA 0.7
#define RL10 50


void setup() {

  Serial.begin(115200);

  pinMode(LED_PIN, OUTPUT); // Set the LED pin as an output
}

void loop() {
  
int analogValue = analogRead(PHOTO_PIN);
float voltage = analogValue / 4096. * 5;
float resistance = 2000 * voltage / (1 - voltage / 5);
float lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));

if (lux < 2.50) { 
  digitalWrite(LED_PIN, HIGH); 
} else {
  digitalWrite(LED_PIN, LOW);
}

  Serial.print("Photoresistor: ");
  Serial.print(lux);
  Serial.println(" Lux");

delay(1000);
}