#include "DHT.h"
#define DHTPIN 2
#define DHTTYPE DHT22
DHT dht(DHTPIN,DHTTYPE);

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

void loop() {
  delay(2000);
  float humidity=dht.readHumidity();
  float temp=dht.readTemperature();
  if (isnan(humidity)||isnan(temp)){
  Serial.println("failed to read from dht");
  return;
  }
  Serial.print("Humidity");
  Serial.print(humidity);
  Serial.print("%\t");
  Serial.print("temperature (in C):");
  Serial.println(temp);
}