I have a arduino yun with WIFI.
But, device is so many offline.
========= here is debug message ===========
[235662] Wrong header on input // OFFLINE is here.
[237555] state 0, tconn 0
[238125] <msg 20,102,11
[238125] Cmd skipped
[238126] <msg 20,103,11
[238127] Cmd skipped
[240668] Connecting to arduino.mydevices.com:8442
[240936] Connect success
[240936] <msg 2,1,10
[242564] state 0, tconn 0
[243124] <msg 20,104,11
[243536] Cmd skipped
[243536] <msg 20,105,11
[243546] Cmd skipped
[245970] Connecting to arduino.mydevices.com:8442
[246204] Connect success
[246204] <msg 2,1,10