#include <DHT.h>

#define DHTTYPE DHT22
#define DHTPIN 2

class TemperatureSensor
{
private:
    DHT dht;

public:
    TemperatureSensor(byte pinNumber) : dht(pinNumber, DHTTYPE)
    {
        this->dht.begin();
    }

    float getTemperature()
    {
        return this->dht.readTemperature();
    }

    float getHumidity()
    {
        return this->dht.readHumidity();
    }
};

TemperatureSensor mySensor(DHTPIN);

void setup()
{
    // Begin the serial communication.
    Serial.begin(9600);
}

void loop()
{
    // Print the temperature
    Serial.print(mySensor.getTemperature());
    Serial.print("°C\t");

    // Print the humidity
    Serial.print(mySensor.getHumidity());
    Serial.println("%");

    // Wait
    delay(500);
}