DHT dht(DHTPIN, DHTTYPE);
WiFiClient client;
Adafruit_MQTT_Client mqtt(&client, AIO_SERVER, AIO_SERVERPORT, AIO_USERNAME, AIO_KEY);
Adafruit_MQTT_Publish temperature = Adafruit_MQTT_Publish(&mqtt, AIO_USERNAME "/feeds/temperature");
Adafruit_MQTT_Publish humidity = Adafruit_MQTT_Publish(&mqtt, AIO_USERNAME "/feeds/humidity");
AdafruitIO_WiFi io(AIO_USERNAME, AIO_KEY, WLAN_SSID, WLAN_PASS);
AdafruitIO_Feed *wdbFeed = io.feed("wdb");