Ok - I am brand new to Hubitat but experienced in HA since my X10 days.
Sorry for the ramble.
TLDR version - to use HE to manage the ~14 Heating Zones in the house ......
It appears to be able to use existing ~14 Hue Temp Sensors in the Hue Motion Sensors so I have Temp Sensors to be able to manage the Heating Systems Zones I have to migrate all the Hue Motion Sensors and about 10 Hue Lights (for a minimal mesh to support Sensors). An then replicate all the existing automated lighting logic in HE and drive the Hue lighting through the HE Hue gateway.
Now mostly Hue (Zigbee) and Zwave with some 433MHz for some sensors (inside Fridge and Freezers) and some LightWave remotes.
I am looking for Hubitat to run more as an appliance, to replace functionality provided by Indigo. I expect to keep Indigo as the overall controller, it has a lot of connectivity to areas that are unlikely to be reached by anything else.
Ideally I am looking to create standalone hubs to control specific sub systems, Hue for lighting and possibly Hubitat for Heating/Hot Water systems (and look at it for other areas as well).
I would really like to keep Hue running lighting it is solid and I have hub maxed out and a second hub picking up the odds and sods.
80% of the lighting is automated in the Hub, another 19% by Indigo for event triggers that Hue Hub cannot manage. It is a very rare day that Lighting needs any human interaction with - and that is managed by Echo/Alexa.
The issue I could really use some guidance on is:-
I am using 14+ Hue Motion detectors, that do the lighting BUT ALSO report Temperature extremely reliably very 2 mins for two years on a couple of AAA batteries. Also one use case for capturing Luminance from the outdoor motion Detector to manage ambient light levels in the house.
I use the Hue Motion detectors reliable Temp reporting to manage the 14 odd heating zones in the house.
And my understanding is that Hubitat Hue Gateway does not support the Motion Detectors/Temp Sensors, is that correct - I cannot see them when I have connected HE to the Hue Hubs.
So for Hubitat to manage heating I need to migrate the Hue Motion Sensors into HE and drive lighting automation from HE to the Hue Hubs.
Now my understanding is that in order for all the Hue Motion Sensors to be able to receive a good signal I need manning powered Zigbee devices to create a mesh.
That means migrating a minimal set of Hue Bulbs across to HE, I am thinking right now all the Hall and Landing lights (~10 bulbs) as they are the centre of the house and have the best bet to provide a reliable mesh for the Hue Motion Sensors.
My concern is then, that I am deviating away from the optimal model - Hue runs Lighting - HE runs Heating.
The alternative is to add another ~14 HE temp sensors replicating the Hue temp sensors, which just seems wasteful.
Anyway to get the HE Hue gateway to read temp and possibly luminance - I understand there are issues with the Motion side requiring polling, but polling every 2 mins fo r Temp changes is still better than most ZWave Thermostats that at best will do every 5 mins.