#include <DHT.h>
#define DHTPIN 2
#define DHTTYPE DHT11 // type of DHT sensor
/* Function to get digital pin number to which DHT 
sensor is connected and type of DHT – DHT11 / 
DHT22 */
DHT dht(DHTPIN, DHTTYPE); 
void setup() {
 Serial.begin(9600); 
 Serial.println("DHTxx test!");
 dht.begin(); // Initiate dht function
}
void loop() {
 delay(2000);
 // Read Humidity and store in h
 float h = dht.readHumidity();
 // Read Temperature and store in t
 float t = dht.readTemperature(); 
 Serial.print("Humidity: "); 
 Serial.print(h);
 Serial.println(" %\t");
 Serial.print("Temperature: "); 
 Serial.print(t);
 Serial.println(" *C ");
}