this post was submitted on 06 Nov 2025
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hardware replacement upgrade (lemmy.world)
submitted 2 months ago by Xaphanos@lemmy.world to c/homeassistant@lemmy.world
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I have been running HA on a Pi3b for a few years. It's been a bit flakey the last few months so I'm looking to upgrade to a Pi5. After the replacement I expect to add more items and maybe phase out the Insteon for more Z-Wave.

I plan to "start from scratch". I use an Insteon hub for most switches and 2 garage doors, some Z-Wave switches, a few generic lamp plugs, 2 cheap Matter bulbs, and Alexa for my wife. Maybe 20 devices or so. The only automations are 2 sunset items and one that links a Z-Wave switch to a insteon switchlink. What will be my major pain points for rebuilding?

Or is there a straightforward method to migrate directly?

What kind of problem will this be for my Nabu Casa subscription? Alexa integration?

Or do I try to build first, then decomm the old one? Won't that cause a conflict?

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[–] paf@jlai.lu 6 points 2 months ago (1 children)

I don't know how cheap pi5 are where you are but I would advise to have a look at one of those small pc with n100 or n150 processor. They are really low powered (close to pi5) and you will get a more powerful device. They cost around 150€ (even 100 on sale).

[–] besmtt@lemmy.world 1 points 2 months ago

That's a fantastic option.

Also something used like a NUC or a little miniPC could be great as well.