Automation for my new apartment

[admin]

And all light switch (for example 10 differnt light switch) are connected to the same port ? and can control 10 individually light bulbs ?
-->Yes, all connect to same RS485 bus, just line A and B.
Dont i need https://www.kincony.com/how-to-use-switc...board.html connected to KC868-H32B Pro ?
--> Yes, not MUST need it.