#define LDRanalog 27
#define LDRdigital 26
const float GAMMA = 0.7;
const float RL10 = 50;

void setup() {
  Serial.begin(115200); 
 pinMode(25, OUTPUT);
}

void loop(){
  int nilaiDigital = digitalRead(LDRdigital);
  int nilaiADC = analogRead(LDRanalog);

  float voltage = nilaiADC * 5/4095.0;
  float resistance = 2000 * voltage /(1 - voltage / 5);
  float lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));

  Serial.print("Nilai Digital = ");
  Serial.println(nilaiDigital);
  Serial.print("Nilai ADC     = ");
  Serial.println(nilaiADC);
  Serial.print("Lux           = ");
  Serial.println(lux);
  Serial.print("Tegangan      = ");
  Serial.println(voltage);

  delay(500);

  if(nilaiADC>=1000)
  {
    digitalWrite(25, HIGH);
  }
  else
  {
    digitalWrite(25, LOW);
    delay(300);
  }
}