#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPLyzj3Dac_"
#define BLYNK_DEVICE_NAME "Monitoring Suhu KelembabanCopy"
#define BLYNK_AUTH_TOKEN "wdyF3MhvRtNEEyEkM44mssGbnr2-lYIv"
#define LED 2  //tidak digunakan. LED internal ESP32
#define LEDBIRU 33
#define LEDMERAH 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) + "%");
 Serial.println("---");
 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; //ESP rangenya 4095 & Arduino 1023
 float resistance = 2000 * voltage / (1 - voltage / 5);
 float lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA)); //Ketetapan dari LDR (Datasheet) konversi resistance ke LUX
 Serial.print("Lux: ");
 Serial.println(lux);
 Blynk.virtualWrite(V2, lux);

  if (lux >= 50){
    Serial.println("Status: Terang");
    digitalWrite(LEDBIRU, LOW);
    Blynk.virtualWrite(V3, 0);
  } else {
    Serial.println("Status: Gelap");
    digitalWrite(LEDBIRU, HIGH);
    Blynk.virtualWrite(V3, 1);
  }
  delay(100);

}

BLYNK_WRITE(V4){
  int pinVal = param.asInt();
  digitalWrite(LEDMERAH, pinVal);
}

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

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