I wanted to move all my IoT devices to the IoT dedicated network and use the Guest network for guests thereby isolating both of those networks from the main network..  however I want to add a home automation server to control all of the IoT devices and this will be a wired connection.  As I understand it, there is no was to add a wired device to either of these networks and a wired device can not see these networks.

i guess my only option is to make all IoT devices and the HA server part of the device isolation network, any comment.  
 

are there any security differences between the use of the IoT, Guest and device automation approaches?

any help would be appreciated as I have only just moved from Orbi to this platform for mesh WiFi