#include "DHT.h"
#define DHTPIN 2
#define DHTTYPE DHT22
DHT dht (DHTPIN, DHTTYPE);

void setup() {
Serial.begin(9600); 
Serial.println(F("DHTxx test!"));

dht.begin();
}

void loop() {
// Wait a few seconds between measurements. 
delay(2000);

float h = dht.readHumidity();

float t = dht.readTemperature();

float f = dht.readTemperature(true);

if (isnan(h) || isnan(t) || isnan(f)) {
Serial.println(F("Failed to read from DHT sensor!"));
return;
}
Serial.print("Temperature: ");
  Serial.print(t);
  Serial.print(" *C\t");
  Serial.print("Humidity: ");
  Serial.print(h);
  Serial.println(" %");

}