#include<DHT.h>;
//int dht_pin=4;
#define dhtpin 4
#define  dhttype DHT22
DHT dht(dhtpin,dhttype); 

float hum,temp;

void setup()
{
  dht.begin();
  Serial.begin(9600);
}

void loop()
{
  hum=dht.readHumidity();
  temp=dht.readTemperature();

  Serial.print("Humidity: ");
  Serial.println(hum);

  Serial.print("Temperature: ");
  Serial.println(temp);

  delay(1000);
}