#include <DHT.h>

const int dhtPin = 2;           // GPIO pin connected to data pin
DHT dht(dhtPin, DHT22);         // Change from DHT11 to DHT22

void setup() {
  dht.begin();
  Serial.begin(9600);
}

void loop() {
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();
  
  if (isnan(humidity) || isnan(temperature)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  Serial.print("Humidity: ");
  Serial.print(humidity);
  Serial.println(" %");

  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.println(" °C");

  delay(1000);  // DHT22 can be read every 1 second safely
}