homeassistant

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Home Assistant is open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. Available for free at home-assistant.io

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Home Assistant + OpenWRT + Pi-Hole on a Raspberry Pi 4 (lemmy.ca)

submitted 11 months ago by alwaysconfused@lemmy.ca to c/homeassistant@lemmy.world

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My current setup is a TP-Link wireless extender. From that I have my own little network that connects my computer, wireless devices and a Raspberry Pi 4. The RPi4 runs the Home Assistant OS for my small network of lights and switches. The TP-Link extender does not have enough memory to support OpenWRT which means I am dependent on the proprietary android app to configure it.

I thought I could use the integrations in HA to add OpenWRT and Pi-Hole but it looks like those integrations are for communicating with instances and devices not within the HA operating system.

What I was hoping to accomplish was to run HA, OpenWRT and Pi-Hole on the same RPi4 device and re-use the TP-Link extender elsewhere in the house to serve ad-blocked internet that extends beyond my little network of devices.

Would running multiple services like this be too demanding for the RPi4? And if it is possible, where is a good place to start?

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[–] grue@lemmy.world 2 points 11 months ago (2 children)

You could maybe virtualize HomeAssistant and Pi-Hole on the Raspberry Pi (using Proxmox, Docker, etc.) depending on exactly which model it is and how much CPU and RAM those services need for your use-case, but IMO as cheap as Pis are [supposed to be], kind of the point of them is to be able to buy several and use one per service.

Anyway, you told us about your TP-Link wireless extender, but what's your actual router? That's the important thing to be running OpenWRT on. (Don't get me wrong: putting OpenWRT on the range extender would be nice in a "all my devices are running trustworthy FOSS firmware as a matter of principle" kind of way, but it shouldn't actually be doing anything non-trivial other than extending your wifi range, so it's not as if there'd be a practical benefit in terms of functionality that would make sense.)

[–] mohammed_alibi@lemmy.world 1 points 11 months ago

A Pi4B 8GB is like $75. Add a power supply, case, heat sink, storage, and you're at like $150.

Recently I purchased a used Dell USFF PC with a 4-core i5-4590S, 8 GB RAM for $50, shipped, from eBay. I mean it does use more power, but it is also more powerful than a RPi. I know, not an apples to apples comparison. But if you don't need to do stuff with the GPIO, and your machine is just plugged in to the wall, and is just running apps in containers, then a USFF PC (e.g. STH's project tiny mini micro machines) may be a much better option than a RPi.

I really don't understand the RPi4's price point right now. But glad the Pi Zero W exists, that makes so much more sense and at the right price point.

[–] alwaysconfused@lemmy.ca 1 points 11 months ago

The actual router rented out by the service provider. I don't think they would be happy with me messing with their property.

I also lived somewhere else where I didn't have access to the main router so I use the extender as my personal network for file transfers, a few lights with a couple switches and my terrarium thermostat. If anything happens to the main router, I can just turn my extender into an access point and still have my personal network.

TP-Link requires an account to use my own extender which annoys me. Their app redirects my connection to my extender through their cloud service. It's not my VPN because I can still connect through the browser. Seems shadey and I don't like having the account already.