     client.loop();
     if (!client.connected()) {
       long now = millis();
-      if (now - lastReconnectAttempt > 10*1000) {
+      if (now - lastReconnectAttempt > 10 * 1000) {
         lastReconnectAttempt = now;
         reconnect();
       }

  // force it to ETH -- requires pull RQ https://github.com/espressif/arduino-esp32/issues/944
  // and https://github.com/espressif/esp-idf/issues/1431.
  //
  ArduinoOTA.begin(TCPIP_ADAPTER_IF_ETH);

  Serial.println("OTA enabled.");
  ota = true;

extern void callback(char* topic, byte * payload, unsigned int length);

bool caching = false;

const char rfid_topic[] = PREFIX "deur/tussendeur/rfid";
const char door_topic[] = PREFIX "deur/tussendeur/open";
