#include <SPI.h>
#include <Wire.h>
#include "DHT.h"
#define BLYNK_TEMPLATE_ID "TMPL6RaAnSRxd"
#define BLYNK_TEMPLATE_NAME "Aof"
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

#define BLYNK_PRINT Serial
#define DHTPIN 19     
#define DHTTYPE DHT22 
DHT dht(DHTPIN, DHTTYPE);

char auth[] = "Qnk5yRM1JexI9WwJH7nbFY3fHvyfQ-QC"; // ใส่ Auth Token ของ Blynk ที่ได้รับจากแอปพลิเคชัน Blynk
//char ssid[] = "YOUR NETWORK NAME"; // ใส่ชื่อ WiFi ที่ต้องการเชื่อมต่อ
//char pass[] = "YOUR PASSWORD"; // ใส่รหัสผ่าน WiFi ที่ต้องการเชื่อมต่อ

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

const int LED1 =0; 
const int LED2 =2;
const int LED3 =5;

float t;
float h;
#define DHTPIN 2
#define DHTTYPE22

void setup() {
  Serial.begin(9600);
   Blynk.begin(auth, ssid, pass);
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);
  Serial.println(F("DHTxx test!"));
  dht.begin();
}
  
void loop() {
  sensor();
  Blynk.run();
  digitalWrite(LED3, HIGH);
  delay(1000);
  digitalWrite(LED3, LOW);
  delay(1000);

  Blynk.virtualWrite(V1, t);
  Blynk.virtualWrite(V3, h);

}
  // ฟังก์ชั่นเปิด-ปิดไฟ LED ด้วยการกดปุ่มบนแอปพลิเคชัน Blynk
BLYNK_WRITE(V0)
{
  int ledState = param.asInt();

  if (ledState == 1) {
    digitalWrite(LED1, HIGH);
  } else {
    digitalWrite(LED1, LOW);
  }
}

BLYNK_WRITE(V1)
{
  int ledState = param.asInt();


  if (ledState == 1) {
    digitalWrite(LED2, HIGH);
  } else {
    digitalWrite(LED2, LOW);
  }
}

BLYNK_WRITE(V2)
{
  int ledState = param.asInt();


  if (ledState == 1) {
    digitalWrite(LED2, HIGH);
  } else {
    digitalWrite(LED2, LOW);
  }
}

void sensor() {
  // Wait a few seconds between measurements.
  delay(2000);

  // Reading temperature or humidity takes about 250 milliseconds!
  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
  h = dht.readHumidity();
  // Read temperature as Celsius (the default)
  t = dht.readTemperature();
  // Read temperature as Fahrenheit (isFahrenheit = true)
  float f = dht.readTemperature(true);

  // Check if any reads failed and exit early (to try again).
  if (isnan(h) || isnan(t) || isnan(f)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }

  // Compute heat index in Fahrenheit (the default)
  float hif = dht.computeHeatIndex(f, h);
  // Compute heat index in Celsius (isFahreheit = false)
  float hic = dht.computeHeatIndex(t, h, false);

  Serial.print(F("Humidity: "));
  Serial.print(h);
  Serial.print(F("%  Temperature: "));
  Serial.print(t);
  Serial.print(F(" C "));
  Serial.print(f);
  Serial.print(F(" F  Heat index: "));
  Serial.print(hic);
  Serial.print(F(" C "));
  Serial.print(hif);
  Serial.println(F(" F"));

}