#include <DHT.h>// include adafruit library unified sensor 
#define DHTPIN A0 // 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 few 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 Celsius:
  Serial.print("Humidity: ");
  Serial.print(h);
  Serial.print(" % ");
  Serial.print("\nTemperature: ");
  Serial.print(t);
  Serial.print(" \xC2\xB0");
  Serial.println("C | ");  
}
#include <DHT.h>
# define pin A0
# define type DHT22