Showing illuminance_lux values, not illuminance values from my sensor

[nara1111]

Hello, I have a question regarding an issue I encountered while using Matterbridge on my personal server with the z2m plugin.

The device in question is a multi-sensor that detects temperature, humidity, occupancy, and illuminance, among other things. It sends both illuminance and illuminance_lux values via MQTT. In Z2M, the illuminance value is displayed correctly. However, in HomeKit or Google Home, which are connected via Matterbridge, the illuminance_lux value is being shown instead.

On the Matterbridge devices page, under the clusters column for the device, the correct illuminance value is visible, but in HomeKit or Google Home, the illuminance_lux value appears.

Is there any way to fix this?

•	device description page on Z2M : https://www.zigbee2mqtt.io/devices/USM-300ZB.html

[nara1111]

Here’s mqtt status example:

{
"battery": 100,
"humidity": 47.92,
"illuminance": 35,
"illuminance_lux": 1.0078595144150302,
"last_seen": "2024-10-20T20:13:14+09:00",
"linkquality": 248,
"occupancy": false,
"temperature": 21.13,
"voltage": 3200
}

[Luligu]

Hi,
I need the bridge-devices.json file that you find the Matterbridge/matterbridge-zigbee2mqtt or if it is easier for (when you don't have access to the directory) the full backup.

My best

[nara1111]

Hello. Thank you for you reply.
Here’s the file.
bridge-devices.json

[nara1111]

Hello.
I've found that the attachment has not been attached successfully, so reattached.

Also, I asked to manufacturer, and they also don't know the value, 'illuminance_lux'.

[Luligu]

Hi,
thanks for the file.
Your sensor exposes in this way:
{
"access": 1,
"description": "Measured illuminance in lux",
"label": "Illuminance (lux)",
"name": "illuminance_lux",
"property": "illuminance",
"type": "numeric",
"unit": "lx"
},

Can you please make a screenshot from devices page to the Illuminance cluster of your sensor to understand how the plugin deals with that expose ("name": "illuminance_lux", but "property": "illuminance")?

Also a screenshot of z2m page so I understand how it translate it?

[nara1111]

Hello, sorry for late reply.
This is the screenshot from my Homekit.
(I added the device through Matterbridge.)

And this is the screenshot on my Zigbee2Mqtt from same zigbee device.