const int pinSensor = A0;
const float GAMMA = 0.7;
const float RL10 = 34.05203; //nilai resistansi (dalam kilo ohm) LDR pada 10 lux

float adcValue;
float voltageValue;
float resistanceValue;
float luxValue;

void setup()
{
  // inisiasi Serial comm dengan baud rate 115200
  Serial.begin(115200);
  pinMode(pinSensor, INPUT);
}
 
void loop()
{
  // akuisisi nilai ADC sensor LDR
  adcValue = analogRead(pinSensor);
  voltageValue = (adcValue/4096.00)*3.3;
  resistanceValue = 2000 * voltageValue / (1 - voltageValue / 3.3);
  luxValue = pow(RL10 * 1e3 * pow(10, GAMMA) / resistanceValue, (1 / GAMMA));
  // cetak nilai adc ke serial monitor
  Serial.print("nilai adc: ");
  Serial.println(adcValue); 
  Serial.print ("nilai tegangan: ");
  Serial.println(voltageValue);
  Serial.print ("nilai resistansi: ");
  Serial.println(resistanceValue);
  Serial.print ("nilai lux: ");
  Serial.println(luxValue);
  Serial.println ("");
  // jeda akuisisi data
  delay(1000); 
}