#include <DHT.h>

// Define pins and DHT sensor type
#define DHTPIN 5       // Pin connected to the DHT sensor
#define DHTTYPE DHT22  // Define the DHT sensor type (changed to DHT22)
#define LEDPIN 13      // Pin connected to the LED

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

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

  // Set LED pin as output
  pinMode(LEDPIN, OUTPUT);

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

void loop() {
  // Wait for 2 seconds between readings
  delay(2000);

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

  // Check if reading failed
  if (isnan(humidity) || isnan(temperature)) {
    Serial.println("Failed to read from DHT sensor!");
    // Continue the loop even if the reading fails
  } else {
    // Print the results to the serial monitor
    Serial.print("Humidity: ");
    Serial.print(humidity);
    Serial.print("%  Temperature: ");
    Serial.print(temperature);
    Serial.println("°C");

    // Control LED based on temperature
    if (temperature > 25.0) {
      digitalWrite(LEDPIN, HIGH);  // Turn on the LED
    } else {
      digitalWrite(LEDPIN, LOW);   // Turn off the LED
    }
  }
}