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

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
}

void loop() {
  // put your main code here, to run repeatedly:
  // ADC to Voltage
  int adcValue = analogRead(15);
  float voltage = (map(adcValue,0,4095,0,3300))/1000.0;
  Serial.print("Nilai ADC : ");
  Serial.print(adcValue);
  Serial.print("\t Nilai Tegangan : ");
  Serial.println(voltage);

  // Membaca Sensor LDR
  float adcLdr = analogRead(2);
  float voltase = adcLdr / 4096. * 5;
  float resistansi = 2000 * voltase / (1-voltase / 5);
  float kecerahan =pow(RL10 * 1e3 * pow(10, GAMMA) /resistansi, (1/GAMMA)); 
  Serial.print("Nilai ADC : ");
  Serial.print(adcLdr);
  Serial.print("\t Nilai Intensitas : ");
  Serial.println(kecerahan);
  delay(100); // this speeds up the simulation
}