   EthernetClient client;
   EthernetClient connection;
   EthernetServer server = EthernetServer(SERVER_PORT);
-  #if defined(USE_STROMBEWUSST_SERVER)
+  #ifdef USE_STROMBEWUSST_SERVER
     EthernetUDP udp;
   #endif
   byte ethernetMac[] = ETHERNET_MAC;

  WiFiClient connection;
  WiFiServer server = WiFiServer(SERVER_PORT);
  int connectionStatus = WL_IDLE_STATUS;
  #if defined(USE_STROMBEWUSST_SERVER)
    WiFiUDP udp;
  #endif
#endif

#define WIFI_SSID "ssid"
#define WIFI_KEY "wpakey"

#define USE_XS1_SERVER
#define XS1_IP (10, 11, 10, 18)
#define XS1_URL "/control?callback=cname&cmd=set_state_sensor&number=9&value="
#define XS1_TIMEFRAME 2

// Uncomment these lines if you wish to use the the free strombewusstsein Web Service!
#define USE_STROMBEWUSST_SERVER
#define STROMBEWUSST_IP (188, 40, 78, 147)
#define STROMBEWUSST_PORT 8888
#define STROMBEWUSST_KEY {49,50,51,52,53,54,55,56,57,48,49,50,51,52,53,54};

