Presence Sensor Device

Forums › Gadgets, robotics, home automation, electronics (including wearables) › Presence Sensor Device

Username1

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#312154 21-Mar-2024 12:49

What is everyone using for presence sensing? I am looking for something that works with Home Assistant and not to expensive. I like the look of the ceiling mount mmwave ones on AliExpress but they are all 220v AC powered which I'm guessing can't be used here?
Thanks

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#3209120 21-Mar-2024 13:00

I'm using the Aqara FP2's - their Home Assistant development is still pretty early, so they show up as Homekit devices. They're also pretty pricy, but do seem to work very well.

They're USB Powered, so I actually power them with PoE & USB to PoE converters. Though I'm sure there're more cost effective mechanisms.

I work for a global Data Protection Software company - But my opinions are my own.

SirHumphreyAppleby

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#3209121 21-Mar-2024 13:04

At the cost effective end of the scale, most of the presence sensors I looked at (late 2022) just contained the LD2410 board...

https://www.aliexpress.com/item/1005004351593073.html

Once configured (using the optional USB board), it's just a pin to monitor. Give it a nice discrete plastic case and off you go.

Stu1

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#3209122 21-Mar-2024 13:12

Echo dots are good cheap and turn lights on when walking into the room. My son even got it to play an I am not here message that went off every time I walked into his room to shut the curtains

boosacnoodle

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#3209126 21-Mar-2024 13:17

The cheap AliExpress mmWave radar devices flood your Zigbee network. Hard avoid.

I've seen positive things about the Aqara FP2, albeit haven't tried it yet.

neb

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#3209173 21-Mar-2024 14:47

Friend of mine uses ESP32's in each room that sense BT from people's phones and smart watches, it apparently works better than you'd think.

ANglEAUT

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#3209177 21-Mar-2024 15:01

neb: ... that sense BT from people's phones and smart watches, it apparently works better than you'd think.

Except for those type of people (like my SO) that like to leave their phone behind as they walk around the house. Sigh ...

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SirHumphreyAppleby

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#3209178 21-Mar-2024 15:02

ANglEAUT:

Except for those type of people (like my SO) that like to leave their phone behind as they walk around the house. Sigh ...

Why would you carry your phone around with you at home?

richms

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#3209184 21-Mar-2024 15:19

SirHumphreyAppleby:

Why would you carry your phone around with you at home?

So you can answer it when someone calls you? So you can use it to check things? I always have it in the pocket except for the odd occasion, and thats normally when I need to grab something from the car so I have to go upstairs and get it.

Richard rich.ms

jarledb

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#3209190 21-Mar-2024 15:31

A friend of mine sells a millimeter radar presence sensor with NC/NO relay outputs.

If anyone is interested in it, send me a PM. He has yet to launch the sales of it, but I can facilitate contact if anyone is interested.

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neb

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#3209192 21-Mar-2024 15:36

ANglEAUT:
Except for those type of people (like my SO) that like to leave their phone behind as they walk around the house. Sigh ...

"Happy birthday $insert_name_here, and here's your new Apple watch!".

Or Android watch if you're more an Android outfit.

SteveXNZ

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#3209248 21-Mar-2024 15:57

I have a similar problem - are my BnB guests in residence or not? Helpful to know before I go bustling through to service the guest wing. Without intruding on my guests' privacy too much, I use the following:

A Fibaro motion sensor that turns on the under-basin lights, but can also tell me when it was last triggered
An SSID specifically for guests. My Unifi console tells me what devices are connected.
Paradox alarm sensors which I can view from the BlueEye and Insite Gold apps. It's a closed system but I've heard there's a Home Assistant integration which will give me better visibility.

Combining these, I can increase my confidence level as to whether guests are in residence or not. But it's not entirely foolproof.

Otherwise following this thread with interest to see if there are other ways which aren't intrusive.

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MadEngineer

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#3209409 21-Mar-2024 23:46

What’s the purpose? Turning off the office light when you’ve gone out?

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andysh

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#3209410 22-Mar-2024 00:40

I use these: https://shop.everythingsmart.io/products/everything-presence-one-kit

They second as a temp sensor to control the whole home aircon which is on dampers.

Referrals:

Tesla: https://ts.la/andrew897313

Sharesies: https://sharesies.com/r/XRGS77

muppet

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#3209414 22-Mar-2024 06:02

MadEngineer: What’s the purpose? Turning off the office light when you’ve gone out?

I use it to determine if to turn the house "alarm" on or not. It's entirely automated and works very well, no having to remember to set or unset the house alarm. If we're not detected home the alarm turns on, any motion sensors triggering will alert us, if it's after dark random lights in the house will turn on and off at random times to give the impression of the house being lived in etc.

Soon as we're detected home all the crap turns off and the front door autmatically unlocks.

Username1

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#3209566 22-Mar-2024 12:59

SirHumphreyAppleby:
At the cost effective end of the scale, most of the presence sensors I looked at (late 2022) just contained the LD2410 board...

https://www.aliexpress.com/item/1005004351593073.html

Once configured (using the optional USB board), it's just a pin to monitor. Give it a nice discrete plastic case and off you go.

That looks interesting, what do you connect the sensor to? I want to put a sensor in all the rooms to control the lights for now so want something that isn't to expensive as it will all add up quickly. Can these mmwave sensors go through objects or where would you get a case designed for it? I was wanting something clean and out of the way on the ceiling.

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