#include "DHT.h"

#define DHTPIN 2       // Data pin connected to digital pin 2
#define DHTTYPE DHT22  // Define sensor type

DHT dht(DHTPIN, DHTTYPE); // Create DHT object

void setup() {
  Serial.begin(9600); 
  dht.begin();         // Initialize the sensor
}

void loop() {
  float humidity = dht.readHumidity();       // Read humidity
  float temperature = dht.readTemperature(); // Read temperature in Celsius

  // Check if readings are valid
  if (isnan(humidity) || isnan(temperature)) {
    Serial.println("Failed to read from DHT22 sensor!");
    return;
  }

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

  delay(1000); // Wait 1 second before next reading
}