#include <DHT.h>
DHT dht(2,DHT22);
void setup()
{
  Serial.begin(9600);
  dht.begin();
}
void loop()
{
  float h=dht.readHumidity();
  float t=dht.readTemperature();
  Serial.print("Humidity:");
  Serial.print(h);
  Serial.print("%\t");
  Serial.print("Temperature:");
  Serial.print(t);
  Serial.println(" *C");
  delay(500);
}