KOGAN smarter home products use Tuya protocols except using a slightly different url and device domain. This means you can use the existing homebridge-tuya plugin for homebridge except using a different process to obtain the device id and keys.
Pre-requisites: First, Install the Kogan Smarter Home app on your idevice then add and configure all your kogan devices. (DO THIS FIRST!).
I am also assuming you already have homebridge setup and running. If not, I strongly reccomend you install homebridge via docker such as https://github.com/oznu/docker-homebridge (Makes it easy to get up and running)
Then: