#include <DHT.h>                  // include adafruit library unified sensor
#define DHTPIN A2               // set DHT pin
#define DHTTYPE DHT22             // set DHT type, DHT 22

DHT dht = DHT(DHTPIN, DHTTYPE);    // initialize DHT sensor for normal 16mhz arduino

void setup() 
{
  Serial.begin(9600);   // begin serial communication at a band rate of 9600
  dht.begin();          // setup sensor
}

void loop()
{
  delay(2000);                            
  // wait a 2 seconds between measurements
  // reading temperature or humidity takes about 250 milliseconds
  // sensor readings may also be up to 2 seconds 'old'

  float h = dht.readHumidity();           // read the humidity in %
  float t = dht.readTemperature();        // read the temperature as celcius
  
  Serial.print("Humidity: ");            // serial monitor to display the word "Humidity"
  Serial.print(h);                       // serial monitor to display the value of humidity in the sensor
  Serial.println("%");                   // serial monitor to display "%"

  Serial.print("Temperature: ");         // serial monitor to display the work "Temperature"    
  Serial.print(t);                       // serial monitor to display the value of temperature in the sensor
  Serial.println("°C");                 // serial monitor in line format to display the word "C |"
}