#define BLYNK_PRINT Serial  // Enable serial debug prints
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <DHT.h>

// Define the pin and sensor type
#define DHTPIN 4       // GPIO 4 (D4) where the DHT22 is connected
#define DHTTYPE DHT22  // DHT22 sensor (use DHT11 if you have that)

// Initialize DHT sensor
DHT dht(DHTPIN, DHTTYPE);

// Replace with your Blynk Auth Token
char auth[] = "S4E9I-mKVWyZsrH5s5Rp3qg7A6hq7jua";
#define BLYNK_TEMPLATE_ID "TMPL6Y5UQlUVw"
#define BLYNK_TEMPLATE_NAME "Smart Dry Cabinet"
#define BLYNK_AUTH_TOKEN "S4E9I-mKVWyZsrH5s5Rp3qg7A6hq7jua"

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

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

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

  // Connect to Wi-Fi and Blynk
  Blynk.begin(auth, ssid, pass);
}

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

  // Read temperature and humidity
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();

  // Check if any reads failed
  if (isnan(humidity) || isnan(temperature)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

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

  // Send data to Blynk
  Blynk.virtualWrite(V0, temperature);  // Send temperature to virtual pin V0
  Blynk.virtualWrite(V1, humidity);     // Send humidity to virtual pin V1

  // Wait a few seconds before the next reading
  delay(2000);
}