Looking for some to buy that are around $20, i only need motion sensor battery powered.
Seems most are out of stock or no longer made.
If you don’t mind the wait, the Sonoff could be an option for you at half of the price point you are looking for. They can take several weeks to arrive in Canada - not sure what the shipping time would be in the states or elsewhere.
I have a few of these, and use them mostly to “keep the lights on” rather than to turn them on.
Also available on ebay for a similar price but perhaps faster delivery. Roughly a week according to the listing.
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Why don't you use them to turn the lights on? Is there noticeable lag?
Some people find the form factor-"large & ugly" if that's concern for you.
Otherwise try Ebay, Offerup, Craigslist, Mercari. I've had great luck with used HA gear.
I think on a Hubitat live Mike even commented on the appearance of this sensor
I don’t turn on lights with them for a couple of reasons:
- I typically use Smart Things sensors for this - I have one in almost every room as they are super quick, very sensitive and extremely reliable. Aeotec will be making them soon if they don’t already, but I suspect they will be more expensive.
- I’m not sure I trust them to work every time - I have nothing to validate this though - mostly because they are so inexpensive.
The only problem of these motion sensors is that they are battery eaters! Its batteries last 5, 6 months, while the batteries of the Samsung motion sensors safely last more than a year... Its detection range is also shorter compared to Samsung.
Yes i liked the samsung ones but no longer around. There is one made by Philips but they are $40 each.
Why are these suggested over other motion sensors? The Aqara ones are easy to get but it looks like they don't work well from what i can gather.
The Aquara’s zigbee implementation has some issues, so they will be kicked-off the mesh by some repeater devices. I have some and really like them, but had to pair them to a second Hubitat Hub to ensure they stay connected. I also had to put some compatible signal repeaters close to them as they will otherwise occasionally drop from the mesh.
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