#include<DHT.h>
#define DHTPIN 2 
#define DHTTYPE DHT22 
DHT dht(DHTPIN, DHTTYPE); 
float hum; 
float temp; 
void setup()
{
Serial.begin(9600);
dht.begin();
}
void loop()
{
hum = dht.readHumidity();
temp= dht.readTemperature();
Serial.print("Humidity: ");
Serial.print(hum);
Serial.print(" %, Temp: ");
Serial.print(temp);
Serial.println(" degree Celsius");
delay(1000); 
}