Bitfocus Companion Control

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There seem to be a few other possibilities:

(1) spin up a Home Assistant instance, use the Bitfocus Companion integration with Home Assistant, then bring Bitfocus Companion into Hubitat from Home Assistant through the HADB integration on Hubitat. The Bitfocus Companion integration for Home Assistant is here:

https://bitfocus.io/connections/homeassistant-server

The HADB integration, which is very nice, is here:

[RELEASE] Home Assistant Device Bridge (HADB)

All new version 2 now available! Features This version subscribes only to events you select from the list of entities within the Home Assistant Device Bridge app. The version 2.x driver no longer listens to all events, thus significantly reducing the CPU load on your Hubitat Elevation hub. After upgrading, you must open the app and press the Done button. IMPORTANT: The Home Assistant Device Bridge version 2.0 app is now mandatory. The version 2.0 driver will no longer operate as sta…

(2) use the Bitfocus Companion ESP Home API to bring Bitfocus Companion into the Home Assistant ESP Home integration.

https://bitfocus.io/connections/esphome-api

then bring the ESP Home Bitfocus Companion device into Hubitat through HADB,

(3) use the Hubitat ESP Home integration to bring Bitfocus Companion directly to Hubitat through the Bitfocus Companion ESP Home API.

ESPHome + Hubitat

Anyone has experience of using devices flashed with ESPHome binaries with Hubitat without any additional hubs (and without Home Assistant)?

I believe that #2 should be the most straightforward.

I use Home Assistant to handle devices for which a Hubitat integration does not exist (Litter Robot, Sure Pet Cat Door). I used #2, above (not with Bitfocus Companion, but with the RatGDO ESP Home integration) to bring the RatGDO garage door integration into Hubitat, works great, very reliable.