this post was submitted on 07 Oct 2025
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Has anyone built out a self-hosted home alarm system? Something like ADT, but entirely self-hosted?

I'm wondering if this is possible with some combination of Frigate, Home Assistant, and something called Alarmo?

Or can a simple alarm system be created with just Frigate? I was thinking something simple like putting a camera inside my house when I leave. Then if any motion is detected inside of the house, activate a siren to scare potential burglars.

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[–] antsu@discuss.tchncs.de 29 points 1 month ago* (last edited 1 month ago) (2 children)

I have Alarmo setup in HA with a bunch of ZigBee sensors and it's brilliant. I haven't used it with cameras, but considering Frigate exposes motion sensors, I think this should work fine.

And yes, you can do this with just Frigate and a HA automation, but it would be less flexible.

[–] wildbus8979@sh.itjust.works 8 points 1 month ago

Seconded, Alarmo rules. I even have HA send me video clips over Signal!

[–] alibloke@feddit.uk 10 points 1 month ago

I have a Konnected pro flashed with esphome. All my wired sensors from the old alarm system work with home assistant/alarmo as well as additional ZigBee sensors. It's a fantastic set up.

[–] StopSpazzing@lemmy.world 2 points 1 month ago

To high jack this thread, does ubiquity also have the ability to do this?

[–] marud@piefed.marud.fr 1 points 1 month ago

I have Frigate with a TPU, that is connected to Home Assistant.
As soon as we leave the house (and HA detects us outside of "home") it enables recording and motion detection on Frigate.
A blueprint for frigate allows to send notification on motion detection.

It's a simple but frustrating setup to put in place (thanks to Coral USB TPU lacking proper docs / updates) but now it works nicely.

You don't need Frigate+ but you could do a 1-shot buy to get enhanced detection models (my cats are often detected as persons and triggers false warning, FG+ should help)

[–] Auli@lemmy.ca 1 points 1 month ago* (last edited 1 month ago)

I mean just reprogram the alarm system to not call anybody. Believe there are integrations to home assistant for most alarm systems.