KC868-A8 MQTT Can someone write me code for this

[pidetaanyhteytta]

if you know the A4 mqtt code. it's not difficult for A8, A8 just add LAN8720 ethernet chip, you can download UDP demo of LAN8720 config source code in A8's forum, A8's relay just use IIC PCF8574 chip, also have demo source code about the OUTPUT and INPUT.

Ok. I try . i am a beginner but have to start somewhere  
maybe i understand how this works so i can change things when needed.
i will copy code here so others can use it too.