/*
The DHT-22 sensor with arduino uno 
Humidity and Temperature sensor
*/
//Libarary
#include <DHT.h>;
//constant
#define DHTPIN 2
#define DHTTYPE DHT22
DHT dht(DHTPIN,DHTTYPE);
//variable
int chk;
float hum; //stores humidity value
float temp; // stores temperature value
void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
dht.begin();

}

void loop() {
   // put your main code here, to run repeatedly:
 hum = dht.readHumidity();
 temp = dht.readTemperature();
 Serial.print("Humidity");
 Serial.print(hum);
 Serial.print("% temperature");
 Serial.print(temp);
 Serial.println("celcius");
 delay(2000);
}