Hue motion sensor lx values updating at different rate

petergambrill · May 3, 2020, 9:47am

Hi,

I’m running Home Assistant as a docker container on my Unraid server.

I’ve got two hue motion sensors, one at either end of my hallway, integrated into HA using the standard Hue integration. I’m also running the Fasthue custom integration to increase the polling rate of my Hue hub to 1 second. The automation I have says if either sensor detects motion and the lx values of both sensors are below 50 then turn on the hallway lights. Once motion is no longer detected wait 10 seconds and turn off the lights.

The first gif below is of me walking up my hallway. As you can see I get detected by the first sensor (reasonably fast - but not as fast as I’d like), this turns on the lights and the lx values of the first sensor increases (as you’d expect) but nothing changes for the 2nd sensor. I continue walking down my hallway and eventually get detected by the second sensor and its lx value updates. I dart into my bedroom and neither sensors detects me and the hallway lights turn off, but the lx values remain the same (the drop is just the gif looping).

https://s6.gifyu.com/images/walk-down-hallway.gif(image larger than 3072KB)

I then walk back down the hallway and the 2nd sensor detects me and the lx value gets updated, but the lights do not turn on as the second sensor is still recording an lx value above 50 (despite no lights being on). The first sensor then detects me, the lx values are updated and the automation is triggered and the lights turn on. As before they then turn off. However the lx values do not update for 5+ minutes after the lights turn off (not show in the gif obviously).

https://s6.gifyu.com/images/walk-up-hallway.gif(image larger than 3072KB)

The fact that the lx values only seem to update after 5 minutes or when motion is detected ruins my automation.

Does anyone have any idea what is going on here?

Thanks!

petergambrill · May 3, 2020, 10:16am

I found this forum post, which seems to be dealing with the same issue I am having. However the solution looks like it requires the use of Node Red, which I can’t use with my Home Assistant Core docker setup. So if anyone has any ideas beyond this, I’d still be very appreciative to hear them!

Thanks.

petergambrill · May 8, 2020, 11:10am

For those interested I’ve sort of solved this through using NodeRed as docker on my unraid server (not within Home Assistant).

My flow is outlined below, but basically I’m creating new entities for my light sensors which don’t update when the lights are on or for five minutes after they turn off and which take the lowest of the last three values seen.

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