#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPLi50S9tFH"
#define BLYNK_AUTH_TOKEN "_RTUkSeQBQ685gsmFKR98ikXJ-Wq-YzN"
#define LEDB 33
#define LEDP 25
#define LDR 32
const float GAMMA = 0.7;
const float RL10 = 50;

#include <WiFi.h>
#include <WiFiClient.h>
#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) + "%");
  Blynk.virtualWrite(V1, data.temperature); 
  Blynk.virtualWrite(V0, data.humidity); //mengirimkan data ke Virtual pin di Blynk Cloud
  int analogValue = analogRead(LDR);
  float voltage = analogValue * 5/4095.0;  //rumus arduino analogValue / 1023.*5
  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, lux);

  if (lux >= 50){
    digitalWrite(LEDB, LOW);
    Blynk.virtualWrite(V3, 0);
  } else {
    digitalWrite(LEDB, HIGH);
    Blynk.virtualWrite(V3, 1);
  }
}

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

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