this post was submitted on 03 Apr 2026
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homeassistant

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I'm thinking about getting started using Docker and an older Raspberry Pi. I'm already hosting a grafana service on it, so It can't be fully dedicated to ha. So curious what everyone is using.

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[–] synapse1278@lemmy.world 3 points 1 day ago (2 children)

Please note that Home Assistant is officially supported on Raspberry Pi 4 and 5 with 2GB of RAM minimum Raspberry Pi - Home Assistant

If your older rpi is for instance a rpi 3 with 512MB of RAM, I'm not sure it's going to cut it.

[–] DeathByDenim@lemmy.world 4 points 1 day ago

Huh, I'm running it on a rpi 3B which was (barely) supported when I installed Home Assistant on it. It has only 1GB of memory but it's still working very well! I don't have a ton of automations though

[–] richardwonka@lemmy.world 4 points 1 day ago

Can confirm: Using a rpi4 with 2GB for a long time worked well.