#define BLYNK_TEMPLATE_ID "TMPL33bH8Qr1d"
#define BLYNK_TEMPLATE_NAME "Auto lock online"
#define BLYNK_AUTH_TOKEN "AqnAP5fwVvHNhTKjlWNHbEjOdyol2Pk4"
#define BLYNK_PRINT Serial

#include <WiFi.h>
#include <BlynkSimpleEsp32.h> // Add Blynk library
#include <DHTesp.h> // Add sensor library

char auth[] = BLYNK_AUTH_TOKEN; // Assign the auth variable to the connection token

char ssid[] = "Wokwi-GUEST"; // Wi-Fi network name
char pass[] = ""; // Wi-Fi password

const int DHT_PIN = 13; // Assign the temperature sensor pin to pin 13 of ESP

DHTesp dht; 

BlynkTimer timer;

void setup()
{
  // Debug console
  Serial.begin(115200); // Serial monitor using baud rate 9600
  dht.setup(DHT_PIN, DHTesp::DHT22);

  Blynk.begin(auth, ssid, pass); 
  timer.setInterval(1000L, sendSensor); 
}

// Function for sending sensor data
void sendSensor()
{
  TempAndHumidity  data = dht.getTempAndHumidity();

  Serial.print("Temperature: ");
  Serial.print(data.temperature);
  Serial.println("C ");
  Serial.print("Humidity: ");
  Serial.print(data.humidity);
  Serial.println("% ");

  Blynk.virtualWrite(V5, data.humidity); 
  Blynk.virtualWrite(V4, data.temperature); 

  if(data.temperature > 35 ) 
  // If the temperature exceeds 35 degrees, the buzzer alarms and LED lights up.
  {
    Blynk.virtualWrite(V4, data.temperature);  
    // You can add alert or notification logic here if needed
  }

  if(data.humidity > 50)
  {
    Blynk.virtualWrite(V5, data.humidity); 
    // You can add alert or notification logic here if needed
  }
}

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