#include "DHT.h"
#define DHTPIN 4
#define DHTTYPE DHT22
DHT dht(DHTPIN,DHTTYPE);

void setup() 
{
  Serial.begin(9600);
  Serial.println("DHT22 test!");
  dht.begin();
  // put your setup code here, to run once:

}

void loop()
{
  delay(2000);
  float h=dht.readHumidity();
  float t=dht.readTemperature();
  Serial.print("Humidity:\t");
  Serial.print(h);
  Serial.print("%\n");
  delay(500);
  Serial.print("Temperature:\t");
  Serial.print(t);
  Serial.print("*C\n");

  // put your main code here, to run repeatedly:

}