#define digital_In 13
#define analog_In 12

const float GAMMA = 0.7;
const float RL10 = 50;

void setup() {
  Serial.begin(115200);
  pinMode(digital_In, INPUT);
  pinMode(analog_In, INPUT);
}

void loop() {
  // Analog: Convert the analog value into lux value
  int analogValue = analogRead(analog_In);
  
  // Adjust for ESP32 voltage (assuming 3.3V)
  float voltage = analogValue / 4095.0 * 3.3;
  float resistance = 2000 * (3.3 - voltage) / voltage;
  float lux_a = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));
  
  Serial.print("Analog: Lux ");
  Serial.println(lux_a);

  // Digital: Threshold light intensity (100 lux threshold)
  int lux_d = digitalRead(digital_In);
  if (lux_d == 0) {
    Serial.println("Digital: Light");
  } else {
    Serial.println("Digital: Dark");
  }

  delay(3000);
}