this post was submitted on 06 Feb 2026
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I'm planning to build several WiFi connected devices for home automation: an AC remote control and air quality sensors. These devices would send data and be controlled through a local server. I'm considering two approaches: running custom software on a server PC (hardware to be determined) or integrating with Home Assistant's protocols and purchasing their hardware. Would using Home Assistant be excessive for this use case?

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[–] tofu@lemmy.nocturnal.garden 49 points 2 days ago (10 children)

If you aren't locked in yet, I'd recommend against WiFi devices. Check Zigbee or similar. It won't clutter your LAN and is independent. You usually need some kind of central station for that but it's worth it imho.

[–] Trilogy3452@lemmy.world 3 points 2 days ago (6 children)

Will do. Is it more for security purposes? Reliability?

[–] 4am@lemmy.zip 7 points 2 days ago (1 children)

Most WiFi devices these days are cloud-based, at least on the American market.

If you can find a Zigbee or Z-Wave (or the up-and-coming Thread), those only work locally. The only way to get remote control is to expose HomeAssistant (or a similar hub) to the internet - usually using a VPN from your remote devices into your network.

It’s a bit more upfront work, but no one can track your devices, they’re off grid/much harder to hack remotely, etc.

[–] Trilogy3452@lemmy.world 3 points 2 days ago

I'm planning on assembling and coding w/e needs coding on microcontrollers, and a mini PC/HA hardware won't be connected to the cloud. But generally speaking yes: most IoT devices in the US connect to someone else's computer these daya

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