//***********SERVO, library************************************
#include <ESP32Servo.h>
#define LDRanalog 27
#define LDRdigital 26
//***********SERVO, deklarasi**********************************
Servo servo;
int pos=0;
const float GAMMA = 0.7;
const float RL10 = 50;


void setup() {
  //********SERIAL MONITOR, setting baudrate*******************
  Serial.begin(115200);

  //********SERVO, setting pin*********************************
  servo.attach(15);
}

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

  //*****LDR, menghitungR V, , LUX (hanya jika menggunakan A0****
  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 (lux>100){
    servo.write (180);
    
  }else{
  servo.write (0);
}
}