I decided to experiment with the smart multi’s today. I had two extras after my move. I had the crazy idea that I could strap them to the chairs in my home office and use them as presence detectors. It works. But in looking at the data, I think I could do more. Just wanted to put this out to the col…

[image] geko: Well, maybe fart analyzer does have a practical use after all. This way your could also track what kind of food you customers have ordered. Yea sure ! Or keep track of how often people stink! :laughing:

This might go outside the boundary of what you’re trying to do, but I thought about using an Arduino with ThingShield and a simple 5v motion sensor to create some sort of presence sensor just for a single room or a desk area. You could write the code so that it reports motion events based on just a …

Room occupancy based on a single motion sensor tends not to work in practice. Zone detection (multiple sensors) is good for turning lights on, but can still be tricky for triggering lights off. The most accurate for room occupancy is probably a double trip beam where you can figure out which one tr…

A cheap way to create your own pressure sensor would be to use Velostat and conductive thread.

[image] tslagle13: CMD format C: if I am in the chair and someone knocks on the door (You know for the paranoid people here) I am there with you on that idea @tslagle13 . When the MAN comes to get us all for keeping our privacy in tacked and not letting them see our files! LOL!

Honestly any zwave contact sensor with contact headers for preexisting wiring will work, but i used the Fibaro Z-Wave Door/Window Sensor cause they come in a bunch of colors along with the Ideal Security SK630 Pressure Mat Alarm with Chime mat, its thin and relatively inexpensive . The Everspring Z-W…

Got it - thanks for providing such a quick & detailed response. I’m actually trying to figure out how to create a wireless enuresis sensor for the elderly. I’ve found a few sensors (which I assume are really just moisture detectors) but none seem to already be zwave or zigbee enabled (out of the b…

Yes, i think all 3 should work. Just run the 2 wire leads to the contact block. By default it will show open/close and not wet/dry but you can make some minor tweaks to the devicetype if you need it to show wet/dry or you can just use the apps that come SmartThings to be noticed when it closes… caus…

I think our need is different but I use a SmartThings sensor on my recliner. I have it mounted to the foot rest. When I opened the foot rest it fires an event that turns off a light that glares in the TV then back on when lowered.

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mrmedia (Mark B) June 24, 2015, 3:42pm 23

Which particular zwave contact sensor do you use/recommend best suited for this scenario?

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