#include "DHT.h"
#define DHTPIN 4
#define DHTTYPE DHT11
DHT dht(DHTPIN,DHTTYPE);
void setup(){
  Serial.begin(9600);
  Serial.println("DHTxx test!");
  dht.begin();
}
void loop(){
  delay(2000);
  float h=dht.readHumidity();
  float t=dht.readTemperature();
  if(isnan(h))//isnan(t)){
   Serial.println(("Failed to read from DHT sensor!"));
   return; 
{ 
  Serial.print("Humidity:");
  Serial.println(h);
  Serial.print("% Temperature:");
  Serial.println(t);
}
}