//#include <Blynk.h>
// #define BLYNK_PRINT Serial
#include <DHT.h>
#include <DHT_U.h>
#define DHTPIN D1
#define DHTTYPE DHT11
// #include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
char auth[] = "zaBySlDfcD5G2pUgoNBCPORouDvR7z3G";
char ssid[] = "@Interface323";
char pass[] = "11223344";
DHT_Unified dht(DHTPIN, DHTTYPE);
int ledPin = D0;
int analogPin = A0; //ประกาศตัวแปร ให้ analogPin 
int val = 0;
float Temperature;
float Humidity;


void setup()
{
  // Debug console
pinMode(ledPin, OUTPUT);  // sets the pin as output
  Serial.begin(9600);
  sensor_t sensor;
  dht.temperature().getSensor(&sensor);
  dht.humidity().getSensor(&sensor);
  
  dht.begin();
  Blynk.begin(auth, ssid, pass, "elec.cmtc.ac.th", 8080);
}



void loop()
{
  Blynk.run();
  sensors_event_t event;
  dht.temperature().getEvent(&event);
  if (!isnan(event.temperature)) {
    Temperature = event.temperature;
    Serial.print("Temperature: ");
    Serial.print(Temperature);
    Serial.println(" °C");
    Blynk.virtualWrite(V0, Temperature);
  }

  dht.humidity().getEvent(&event);
  if (!isnan(event.relative_humidity)) {
    Humidity = event.relative_humidity;
    Serial.print("Humidity: ");
    Serial.print(Humidity);
    Serial.println(" %");
    Blynk.virtualWrite(V1, Humidity);
  }

  val = analogRead(analogPin);
  Serial.print("val = ");
  Serial.println(val);
  Blynk.virtualWrite(V2, val);  // ส่งค่า val ไปยังแพลตฟอร์ม Blynk

  if (val > 490) {
    digitalWrite(ledPin, HIGH);
  }
  else {
    digitalWrite(ledPin, LOW);
  }
  delay(1000);
}