//**********BLYNK, identitas device*****************************
#define BLYNK_TEMPLATE_ID "TMPL6ZJ6-xVuc"
#define BLYNK_TEMPLATE_NAME "GIAN GANTENG 2JT"
#define BLYNK_AUTH_TOKEN "74CQIVTRRRWfQVY_NsYTnGNf8k2pegYk"

//**********BLYNK, library**************************************
#include <BlynkSimpleEsp32.h>
BlynkTimer timer;

//**********BLYNK, ssid, pass, token****************************
char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

//******LDR, pin yg dipakai*********************************************
#define LDRanalog 34
#define LDRdigital 26

//******LDR, pengukuran lux*********************************************
const float GAMMA = 0.7;
const float RL10 = 50;

void sendSensor()
{
  //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));
  Blynk.virtualWrite(V0, lux);
  
   //*****SERIAL MONITOR, menampilkan digital, ADC, lux, voltage**
  //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);
  
}

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

  Blynk.begin(auth, ssid, pass);
  timer.setInterval(1000L, sendSensor);
}

void loop() {
  Blynk.run();
  timer.run();
}