https://www.youtube.com/edit?o=U&video_id=ZU2b5s6MluE

https://www.youtube.com/edit?o=U&video_id=-UopVnlDPoA

please tell me why?

I turn on the device 24/2
device automatically shuts down midway
when the device is off, the red light flashes
I do not know for whatever reason
and how to control device when offline (control by network lan)
Please help!
Thanks all.

Thanks

I want to control 3 devices on one module 8266-v12
3 buttons control 3 devices
what should I do
Thank you for reading