#define digital_In 13
#define analog_In 12

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

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

void loop() {
//Analog: Convert the analog value into lux value:
  int analogValue = analogRead(analog_In);
  Serial.println(analogValue);
  double voltage = 1 / (log(1 / (1023. / analogValue - 1)) / 3950 + 1.0 / 298.15) - 273.15;
  Serial.println(voltage);
  delay(3000);
}