 #include <PubSubClient.h>
 #include <ArduinoJson.h>
 #include <Ticker.h>
-
 #include "/usr/local/src/rpi2_setting.h"
 
 #define BUTTON_PIN 0

    wifi_connect();
  }
}


String macToStr(const uint8_t* mac)
{
  String result;
  for (int i = 0; i < 6; ++i)
  {
    result += String(mac[i], 16);
    if (i < 5)
      result += ':';
  }
  return result;
}

// end of file

    {
      client.loop();
    }
    ArduinoOTA.handle();
  }
  else
  {
