设置完后，能连上服务器，收发正常，但是重启设备后，之前设置的参数都变成出厂参数

向控制器发指令查询DO和DI的状态时没有，没有数据返回！

Is the HF-A11-SMT wifi module compliant with Japanese regulations? Is it TELEC certified?

請問 要選用哪款模塊用在 WIFI-NTP上，有程序可下載嗎

我设置虚拟串口后，设备显示在线，但是通信状态显示disconnect

Hello. I was forming a firmware for HF5111A and accidentally made there a daemon program with a closed loop inside. Now my HF5111A doesn't even load. Can anything be done about it? Or can I throw my HF in the trash now?