#define BLYNK_TEMPLATE_ID "TMPL2z6KlQjR0"
#define BLYNK_TEMPLATE_NAME "we"
#define BLYNK_AUTH_TOKEN "S86Boub6h_qCWVDvtXAhQ13WNisgH4ht"

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

// Wi-Fi credentials
char ssid[] = "Wokwi-GUEST";           // Replace with your Wi-Fi SSID
char pass[] = "";  // Replace with your Wi-Fi password

// DHT sensor settings
#define DHTPIN 15    // GPIO pin where the DHT22 is connected
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

// Virtual Pins in the Blynk app
#define VIRTUAL_PIN_TEMP V0  // Virtual Pin for Temperature
#define VIRTUAL_PIN_HUM  V1  // Virtual Pin for Humidity

void setup() {
  // Start serial communication
  Serial.begin(115200);
  delay(100);

  // Initialize the DHT sensor
  dht.begin();

  // Connect to Blynk
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);

  Serial.println("Setup complete.");
}

void loop() {
  // Run Blynk
  Blynk.run();

  // Read data from the DHT22 sensor
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();

  // Check if the readings are valid
  if (isnan(temperature) || isnan(humidity)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  // Print values to the Serial Monitor
  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.print(" °C, Humidity: ");
  Serial.print(humidity);
  Serial.println(" %");

  // Send values to the Blynk app
  Blynk.virtualWrite(VIRTUAL_PIN_TEMP, temperature);
  Blynk.virtualWrite(VIRTUAL_PIN_HUM, humidity);

  // Wait before the next reading
  delay(2000); // Adjust the delay as needed
}