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

if (isnan(h) || isnan(t)) {
  Serial.println(F("Failed to read from DHT sensor!"));
}
else {
  Serial.print(F("Humidity :"));
  Serial.print(h);
  Serial.print(F("% Temperature:"));
  Serial.print(t);
  Serial.print(F("°C "));
}
delay(2000);
}