/*************************************************************

  This is a simple demo of sending and receiving some data.
  Be sure to check out other examples!
 *************************************************************/

/* Fill-in information from Blynk Device Info here */
#define BLYNK_TEMPLATE_ID           "TMPL3v8IwaJOk"
#define BLYNK_TEMPLATE_NAME         "Quickstart Device"
#define BLYNK_AUTH_TOKEN            "YDh70XtNM3W9qkzHj0dD9tCH_WIKYVyJ"

/* Comment this out to disable prints and save space */
#define BLYNK_PRINT Serial

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 20, 2);
// Your WiFi credentials.
// Set password to "" for open networks.

// Set password to "" for open networks.
char ssid[] = "Wokwi-GUEST";
char pass[] = "";


BlynkTimer timer;
int led2=4;
int led1=2;
#include "DHTesp.h"

const int DHT_PIN = 15;

DHTesp dht;

void DHTSensor()
{
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();
  if (isnan(humidity) || isnan(temperature))
  {
    Serial.println("DHT Sensor not Found!");
  }
  else
  {
    Serial.print("Humidity:");
    Serial.print(humidity);
    Blynk.virtualWrite(V6,humidity);
    Serial.print("%\t");
    Serial.print("Temperature:");
    Serial.print(temperature);
    Blynk.virtualWrite(V5,temperature);
    Serial.println("C");
  }
}

// This function is called every time the Virtual Pin 0 state changes
BLYNK_WRITE(V0)// button V0
{
  // Set incoming value from pin V0 to a variable
  int value = param.asInt();
  digitalWrite(led1,value);
  // Update state
  Blynk.virtualWrite(V1, value);//V1- value display 1-0
}

// This function is called every time the device is connected to the Blynk.Cloud
BLYNK_CONNECTED()// congratulation block V3
{
  // Change Web Link Button message to "Congratulations!"
  Blynk.setProperty(V3, "offImageUrl", "https://static-image.nyc3.cdn.digitaloceanspaces.com/general/fte/congratulations.png");
  Blynk.setProperty(V3, "onImageUrl",  "https://static-image.nyc3.cdn.digitaloceanspaces.com/general/fte/congratulations_pressed.png");
  Blynk.setProperty(V3, "url", "https://docs.blynk.io/en/getting-started/what-do-i-need-to-blynk/how-quickstart-device-was-made");
}

// This function sends Arduino's uptime every second to Virtual Pin 2.
void myTimerEvent()
{
  // You can send any value at any time.
  // Please don't send more that 10 values per second.
  Blynk.virtualWrite(V2, millis() / 1000);// uptime value display V2
}

void setup()
{
  LCD.init();
  LCD.backlight();
  LCD.setCursor(0, 0);
  LCD.print("Connecting to ");
  LCD.setCursor(0, 1);
  LCD.print("WiFi ");
  // Debug console
  dht.begin(); 
  Serial.begin(115200);
  pinMode(led1,OUTPUT);
  pinMode(led2,OUTPUT);// optional 
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
  // You can also specify server:
  //Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass, "blynk.cloud", 80);
  //Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass, IPAddress(192,168,1,100), 8080);

  // Setup a function to be called every second
  timer.setInterval(1000L, myTimerEvent);
}

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