#include "DHT.h"

#define DHTPIN 2

#define DHTTYPE DHT22

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  Serial.println(F("DHTxx test"));

  dht.begin();
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(2000);

  float h = dht.readHumidity();

  float t = dht.readTemperature();

  float f = dht.readTemperature();

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

}