I decide to use two separate wifi networks. One for home devices and other for displays and sensors. For me it is much easy to use wifi network for sensors because ESP devices and a lua scripts possible usage. Thru the network I can switch on and off for example light or horn too.

Raspberry as a server for the system is used. It is open for any devices to connect. WIFI, wired or web based.

There are digital inputs and relay to control something wired.