Homebridge-hue: Xiaomi Aqara water sensor temperature

Created on 14 Mar 2020  Â·  2Comments  Â·  Source: ebaauw/homebridge-hue

Feature Request

Hi, can homebridge-hue expose temperature for Xiaomi water sensors? I can see it in Phoscon, but not in HomeKit.

Phoscon:
9953EE3E-492D-4F30-BCE1-3C8478888C56

HomeKit services:
D24BCAD4-1E82-4C0F-98EA-2E2AEE984494

question

Most helpful comment

Most Xioami devices have an internal temperature sensor that measures the device temperature. The value reported by this sensor is very coarse, in °C instead of 0.01°C, and very imprecise, it doesn’t reflect the room (environment) temperature outside the device.

The REST API plugin exposes this value as config.temperature, to distinguish it from the value from “real” temperature sensors, which is exposed as state.temperature.

Homebridge-hue only supports state.temperature and ignores config.temperature. Technically, it could support config.temperature, but functionally, it doesn’t seem to make much sense. It would be tricky to provide history, as the device might already have a primary function for which homebridge-hue already exposes the history.

All 2 comments

Most Xioami devices have an internal temperature sensor that measures the device temperature. The value reported by this sensor is very coarse, in °C instead of 0.01°C, and very imprecise, it doesn’t reflect the room (environment) temperature outside the device.

The REST API plugin exposes this value as config.temperature, to distinguish it from the value from “real” temperature sensors, which is exposed as state.temperature.

Homebridge-hue only supports state.temperature and ignores config.temperature. Technically, it could support config.temperature, but functionally, it doesn’t seem to make much sense. It would be tricky to provide history, as the device might already have a primary function for which homebridge-hue already exposes the history.

Thanks for the explanation

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