Good Day.
I currently have temp/humidity sensors is a number of rooms, and in the master bedroom we have an ecobee sensor. From my understanding the ecobee senses occupancy by infrared(?) rather than motion.
I'm searching for a new sensor that can do the temp/humidity but also presence. I'd rather stay away from the PIR motion sensor (big, ugly, and taken as more big brother-ish by the rooms' inhabitants). Short of getting more ecobee sensors, does anyone know of any other good options? Z-wave or Zigbee would be fine.
I'm trying to recreate the "Away" and "Home" function of the ecobee on a room-by-room basis. Currently just using RM rules based on Thermostat Scheduler (day/time based).
Once I can do this, I'll need to worry about the time in such a room -- for example, just running into the bedroom to grab a sweater, versus going into the family room and planning on hanging out for awhile. (I'm assuming that the RM can set something like "occupied for > 10 min, raise heat to 71º")
Any additional thoughts?
Thanks.
My favorite low profile motion sensor is still the NYCE Ceiling motion sensor. Small/discreet and unless you look up and specifically looking for it you may not notice it.
The NYCE are nice, but are north of 50 bucks. My preferred device currently is the Iris V3 which does motion, temp and humidity, at only about $10 on eBay,
Anyone try the Xiaomi Aqara Zigbee motion sensor? For $11, it'd augment the temp/humidity sensor I already have.
They work, but they can cause zigbee issues. If you're going to add them to your hub, be aware that they can weak havoc. I had a bunch on my network and have since eliminated them because I was having terrible zigbee mesh issues. They only repeat through the ikea plugs AFAIK.
In addition to a lot of V2 motion sensors, I just bought one of these V3 on ebay from a reliable seller. He has several available priced or make offer. Seems to work well enough though none of the Iris have Lux.
I like the low profile of the NYCE, no "eye" (now that I'm looking into these more, wouldn't mind having a lux sensor as well, just to future proof -- as long as I'm spending $50/sensor).
Q: Anyone have issues with ceiling mounts and temp readings? -- It's going to read warmer up at the ceiling. Probably not much of a difference ??? with the rooms that have 8-foot ceilings, but I have one bedroom with 9' and another with a 12' vaulted (which I wonder how the 90º detection cone will work -- time to get out my vector drawing program).
Thanks for all the feedback.
I would really like to get the NYCE myself because of all the features it has to offer and place in the ceiling of our Study. But I would be afraid it would pick up motion from the other room of someone just walking by because of the way the room is laid out.
Right now I have Iris motion sensor setting on a self, angled in away to catch someone walking into the room.
(Fish eye view 
)
The NYCE ceiling sensor has a 90º cone detection, so if you place it correctly on the ceiling, the edge of the detection cone could fall right at the entrance to your room.
I think based on an 8-foot high ceiling, with the 90º cone, you'd have a 4' diameter circle on the floor that would detect.
Thanks! @dmayo2
how can you find out which device make problems with hub?
Search this forum for product name. Many will give their experiences. In my searching I find very few devices that are bad across the board. Most give problems to some users but not others. There are many parameters that can make a device not work well (wifi interference, location of hub, materials of walls, meshes, etc.)
The NYCE ceiling sensor is great. Supposedly up to 5 year battery life (I haven't had mine long enough). I also have a couple curtain sensors where a narrow triggering area is needed, works well.
The cone is 360º, at 12 ft heigh the coverage is an 12 ft radius at the floor.
http://nycesensors.com/wp-content/uploads/2016/03/NCZ-3043-HA-HA-Install-Guide-2015-07-29.pdf
So for an 8ft ceiling, it covers a 16 ft diameter on the floor.
yes, as illustrated on page 2 of the linked pdf. And as also noted, "All measurements are approximate and will vary with installation."
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