Home Automation

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Discussion about general home automation ideas and projects, home automation protocols like Z-wave, Zigbee, Matter, etc, and home automation software and hubs like HomeSeer, Home Assistant, OpenHAB, Homey.

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Feeling Overwhelmed Picking Door Sensors (lemmy.world)

submitted 5 months ago by njordomir@lemmy.world to c/homeautomation@lemmy.world

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I'm looking for door & window contact sensors and motion sensors to replace an old Simon 3 ADT security system. I've read a lot of posts and such and I'm still having a hard time picking out sensors that will work with an existing Smarthings v2 Hub (currently used for lights) and eventually Home Assistant once life calms down a bit more and I have time to go through all the setup. As I understand it, matter/thread support was added in the v3 hub so I don't have this on my ST v2.

I'd like to avoid anything from Amazon and locally functioning sensors are preferred.

Can anyone advise on how to pick good devices? There seems to be tons of info out there, but I'm having trouble sifting through it for the info I need. This is a surprise for a family member who has been considering replacing an older system. I'd like to get it in place before they have the chance to buy a crappy, locked down, spyware riddled system from a company like Amazon so that I can be sure everything will transition smoothly to Home Assistant later.

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[–] lemming741@lemmy.world 1 points 5 months ago

I didn't want batteries, so I used these magnetic reed switches. There are other places to get them-
https://konnected.io/products/contact-sensor-recessed-magnetic-for-doors-or-windows

You just gotta figure out power. I'm fortunate to own my home that has an attic and a crawlspace so drilling holes and pulling wire is simple.

Then I got a Shelly i4 DC. I think it's out of stock now but a Uni would work too. Shelly is all local, cloud disabled by default.

An ESPhome could do it also, and I wish I knew about esphome before I spent any money on importing the Shelly. Get a UNI and after you figure that out, get some esp32 dev boards from AliExpress.