#define BLYNK_TEMPLATE_ID "TMPL3bJtmfqmQ"
#define BLYNK_TEMPLATE_NAME "DHT 11 project"
#define BLYNK_AUTH_TOKEN "AhHYWlPhleZ1yfXja93fSOfNsfTQOqtD"
#include <WiFi.h>
#include <BlynkSimpleEsp32.h>
#include <DHT.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
#define DHTPIN 23         // Pin where the DHT11 is connected
#define DHTTYPE DHT22    // DHT 11

char auth[] = "AhHYWlPhleZ1yfXja93fSOfNsfTQOqtD";  // You'll receive this after creating a Blynk project
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

DHT dht(DHTPIN, DHTTYPE);
BlynkTimer timer;
void sendSensorData()
{
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();
 if (isnan(temperature) || isnan(humidity))
  {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }
  Serial.print("Temperature(°C):");
  Serial.println(temperature);
  Serial.print("Humidity:");
  Serial.println(humidity);
  Blynk.virtualWrite(V0, temperature);  // Virtual Pin V1 for temperature
  Blynk.virtualWrite(V1, humidity);
    lcd.clear(); 
      lcd.setCursor(0, 0);
      lcd.print("temp: ");
       lcd.print(temperature);
      lcd.setCursor(0, 1);
      lcd.print("humid: ");
       lcd.print(humidity);     // Virtual Pin V2 for humidity
}
void setup()
{
  Serial.begin(115200);
  Blynk.begin(auth, ssid, pass);
lcd.init();               
  lcd.backlight();  
  dht.begin();
   timer.setInterval(1000L, sendSensorData); 
}

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