The links to AliExpress sellers that have different device options (masked as 'color' !!!) are one and the same. Often the default device (zigbee vs WiFi vs something cheaper) is misleading ... : (
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No, made sure I bought the sensor! But indeed, the links can be misleading.
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@kkossev,
My Tuya Zigbee Multi-sensor 3 in 1 Neo sensor had been inactive for about 5 days, since 27th June. I only noticed that it was not working after checking the Device Health status app. Removing and re-inserting batteries got the sensor working again.
I have rules set up to alert me when a device goes offline, but this sensor was online but inactive, any suggestions on how to monitor inactive devices ?
Thanks
Probably the periodic health check job was stopped for some reason before.. Let me know if this happens again.
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Same thing happened to me. I updated to the latest driver(1.3.6) and paired device again, now it's working.
@kkossev is the man !! Thank you Krassimir
EDIT- spoke to soon. The ZY-M100 is connected(had to pair it twice) but seems to never go inactive. I'm going to put it in a cardboard box to see if it can even go inactive.
Okay- as Krassimir suggested above I had to manually set the profile to YXZBRB58 and even on the lowest setting this device can see through objects, like cardboard, cloth, paper. It's like a freaking X-Ray machine. I hope the radiation isn't going to shrink my gonads !!
So with this device I can see the crook when he is 2 houses away, so definitely not going to include in HSM, as it's way too sensitive.
Here's the link where I got mine. If you want one don't wait too long or they'll switch the firmware AGAIN !
CAREFUL-I bought the wall mount Zigbee square one, but it's a multi listing , so not sure about the other device-if it works or not.
Here's my device join data from my 2nd pairing
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Hi Rxich,
This sensor has different firmware than the 'classic' Tuya mmWave sensors and the YXZBRB58 model.
I will be able to make a new device profile hopefully in the next week.
As a temporary workaround, try to configure your radar to use the manually assigned "Tuya Human Presence mmWave Radar" profile :
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If you have a 3D printer, I've worked up a model of the back plate so that it can be replaced. I could definitely make a model for a corner bracket.
I asked a friend to make a corner one for me and it works really nice. Thank you anyway 
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@jbaruch could you attach the relevant thread to this please? Just so I can follow it as well in case someone ever manages to work out an HE integration for the FP2.
Thanks 
I have no idea why I even asked. It’s the one I’m already following and even commented on before I asked that.
Feel like I’m having one of those days 
Thanks for that though
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Hi @kkossev
Please kindly assist.
I have this same sensor
Endpoint: 01
Application: 46
Manufacturer: _TZE204_ztc6ggyl
Model: TS0601
Tuya: 1.0.6
In the device package is ZY M100
I have 20 of this sensor in various rooms and spaces in my room paired to my HE hub C-8 ( I aslo own the HE C-5, as an old hub that I'm not using anymore)
I'm using the ceiling mount option thst is powered from the mains power. All the sensors are reporting instantly changes in lux, but none is reporting motion or presence activation. I have the latest driver from @kkossev for 4 in 1 sensor.. I have reset and re-paired the sensors but none. Please am I missing and how can I get the sensors to work. I already invested to buy 20 of these and they seem not to be working. Kind assistance will be much appreciated 
...
Nb: of there's already a solution in this thread, then I'm sorry for bringing it up again, please some can direct me to the solution for this specific model.
Besides the new model problem that does not have correct device profile in this driver (yet), 20 chatty devices may be too much … I can recommend to keep your old C-5 hub and to pair the radars to the old hub. Then use HE mesh to bring the sensors to your main hub where you will use them in the lighting automations.
Tuya mmWave radars are also Zigbee routers/repeaters, so they will build their own mesh, on a frequency different than the main C-8 hub .
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Thanks a lot for the quick response. I will try your recommendations today and post results here.
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I have a Tuya ZY-M100 (mmWave) mounted on a wall right behind my bed. It will pick up the presence of a person when they move into the room. When a person does not move for a specific amount of time, the sensor becomes inactive. I thought mmWave sensors would still pick up a warm body that is not in motion. Is this not true?
I'm finding it has a lot to do with the sensitivity settings and line of sight. This one is a little weird is that it does seem to lose "sight" if nothing is moving, but at the same time, these things should be able to "see" you breathing.
All that to say my, albeit ignorant, opinion is that they have these things set to detect like a highly sensitive PIR sensor vs an actual presence sensor.
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I have done just this. No difference unfortunately.
