Current Smallest Contact Sensor?

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22

If you mean the Zooz ZSE-41, I have one of those, and was happily surprised by it's small size when I received it, as the online pics just seemed to make it look bigger than it actually was. :slight_smile: I'm using it on my back yard rear gate and it's been excellent, reporting promptly and reliably at distance. LR is a nice thing. I have a ton of the Visonic I got cheap when they were being discontinued years ago, so they are all over my house and will be replaced at some point when they start having issues.

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23

I'll keep that in mind. I really hate having to play these games with these sensors :frowning:

@DGBQ I had come across those and didn't know if they'd help. I'll give those a try first to see.

@calinatl I'll give the zooz a look if the drivers fail.

24

Here are a few tips I’ve learned when using these devices:

  1. Keep a Zigbee repeater nearby. For example, I use a Zigbee plug in the same room to control a lamp, which also helps strengthen the network. My hub is way in the back of the house.
  2. Pair the device twice to ensure all current states appear quickly.
25

I'm not sure how much this helps as I'm literally 15 ft from the hub on the same floor :frowning:
But so far, it's still online from the driver swap.

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26

Here's a pic of the ZSE41 LR on a sliding pocket door:

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27

@velvetfoot or @danabw
Since you have one of these Zen contact sensors, would it be possible for you to test it with a magnet to see if the magnet needs to be on the SIDE of the main unit, or if it will also register closed if the magnet is placed on the FRONT of the unit (near the edge)?

Since this one is so thin, my idea is to slid the main unit under the latch, embed magnets in the latch, and when the latch is closed it would slide over the top of this main unit...

28

I'll give it a look/test!

As you saw above in my pic this approach works w/my Visonic sensors, and I suspect the proximity will work w/the Zooz as well. Back w/details in a bit.

29

Test results: If top of the magnet is at least as high as in the pic (and actually even if the top edge of the magnet is just at the bottom edge of the two grey bars) the sensor works w/out issue. The magnet I used is one from an Aqara contact sensor. In the pic the magnet is touching the contact sensor, but in my tests I was holding it just above the sensor.

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So I don't think you'll have any issues.

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@danabw : THANK YOU!!!

31

NP

Good luck w/your project. :slight_smile: