const byte M = 4;
const byte B = 5;
const byte H = 21;
const byte LDRSensor = 33;
void setup(){
  Serial.begin(115200);
  pinMode(M, OUTPUT);
  pinMode(B, OUTPUT);
  pinMode(H, OUTPUT);
}

void loop(){
  int nilaiADC = analogRead(LDRSensor);
  Serial.print("Nilai ADC: "+ String(nilaiADC));
  float intensitasCahaya = intensitas(nilaiADC);
  Serial.println(" Nilai Intensitas: "+ String(intensitasCahaya));
  if (intensitasCahaya > 0 && intensitasCahaya <= 100){
    digitalWrite(M, HIGH);
    digitalWrite(H, LOW);
    digitalWrite(B, LOW);
  }
  else if(intensitasCahaya > 5000 && intensitasCahaya <= 100000){
    digitalWrite(M, HIGH);
    digitalWrite(B, HIGH);
    digitalWrite(H, HIGH);
  }
  else{
    digitalWrite(M, LOW);
    digitalWrite(B, LOW);
    digitalWrite(H, LOW);
  }
  delay(100);
}

float intensitas(int adcValue){
  const float GAMMA = 0.7;
  const float RL10 = 33;;
  float voltage = adcValue / 4096. * 3.3;
  float resistance = 2000 * voltage / (1 - voltage / 3.3);
  float luxValue = pow(RL10 * 1e3 * pow(10, GAMMA)/ resistance, (1 / GAMMA));
  return luxValue;
}