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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[–] mhzawadi@lemmy.horwood.cloud 4 points 2 weeks ago (1 children)

HA will connect to almost anything, maybe there is a connector for your AC unit and there are many air quality sensors

[–] Trilogy3452@lemmy.world 0 points 2 weeks ago (2 children)

My AC is offline, I was thinking I'd just put an infra red LED on a microcontroller in front of it 😅

[–] CmdrShepard49@sh.itjust.works 3 points 2 weeks ago

I did this with ESPHome on an ESP8266 connected to an IR led for some rope lights that had IR control. The hard part is finding the codes for each control, but there's a surprising amount of info out there.

[–] dan@upvote.au 2 points 2 weeks ago* (last edited 2 weeks ago)

Even if you build your own thing to communicate with the AC, Home Assistant is still useful since it lets you easily automate things and interact with other devices, and you get a bunch of things included (nice UI, storage of historical data, dashboards, etc). You could build your thing as a Home Assistant integration.