#include <DHT.h>
#define DHTPIN 2
#define DHTTYPE DHT22

DHT dht(DHTPIN, DHTTYPE);

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

void loop() {
  delay(2000);

  float h = dht.readHumidity();
  float t = dht.readTemperature();

  if (isnan(h) || isnan(t)) {
    Serial.println(("Failed to read from DHT sensor!"));
    return;
  }

  Serial.print(("Humidity: "));
  Serial.print(h);
  Serial.print(("%  Temperature: "));
  Serial.print(t);
  Serial.println(F("°C "));
}