 String mqttStatusTopic;                             // MQTT topic for publishing device connectivity state
 String mqttSensorTopic;                             // MQTT topic for publishing device information in JSON format
 String mqttLightCommandTopic;                       // MQTT topic for incoming panel backlight on/off commands
+String mqttBeepCommandTopic;                         // MQTT topic for error beep 
 String mqttLightStateTopic;                         // MQTT topic for outgoing panel backlight on/off state
 String mqttLightBrightCommandTopic;                 // MQTT topic for incoming panel backlight dimmer commands
 String mqttLightBrightStateTopic;                   // MQTT topic for outgoing panel backlight dimmer state

              mdnsEnabled = false;
            }
          }
          String configJsonStr;
          serializeJson(configJson, configJsonStr);
          debugPrintln(String(F("SPIFFS: parsed json:")) + configJsonStr);

      s[k++] = c;
  }
  s[k] = 0;
}
