#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPLgPBWbSgc"
#define BLYNK_DEVICE_NAME "DHT22"
#define BLYNK_AUTH_TOKEN "tqxESTdAw73tA2fvKRy7vTXoE1fuD6yR"
#define LED 12
#define lux 34

const float GAMMA = 0.7;    //Untuk konversi pembacaan LDR menjadi volt
const float RL10 = 50;

#include <WiFi.h>             //driver modul Wifi dalam ESP32
#include <WiFiClient.h>       //driver modul Wifi dalam ESP32
#include <BlynkSimpleEsp32.h>
#include "DHTesp.h"

const int DHT_PIN = 15;
DHTesp dhtSensor;

char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

BlynkTimer timer;

void sendSensor()
{
 TempAndHumidity  data = dhtSensor.getTempAndHumidity();
 Serial.println("Temp: " + String(data.temperature, 2) + "°C");
 Serial.println("Humidity: " + String(data.humidity, 1) + "%");
 Serial.println("---");
 Blynk.virtualWrite(V0, data.temperature);  //mengirimkan data ke Virtual pin di Blynk Cloud
 Blynk.virtualWrite(V1, data.humidity);     //mengirimkan data ke Virtual pin di Blynk Cloud
 int analogValue = analogRead(lux);         //13 adalah pin sensor LDR
  float voltage = analogValue * 5/4095.0;   //4095 adalah range sensor LDR di ESP32
  float resistance = 2000 * voltage / (1 - voltage / 5);
  float lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));
  Serial.print("Lux: ");
  Serial.println(lux);
  Blynk.virtualWrite(V2, data.lux);
  if (lux >= 50){
    Serial.println("Status: Terang");
    //Serial.println("Terang");
    digitalWrite(12, LOW);
  } else {
    Serial.println("Status: Gelap");
    //Serial.println("Gelap");
    digitalWrite(12, HIGH);
  }
  delay(100);
  
}

void setup()
{
  Serial.begin(9600);
  Blynk.begin(auth, ssid, pass);
  //pinMode(LED, OUTPUT);
  pinMode(12, OUTPUT);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  timer.setInterval(1000L, sendSensor);
}

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