this post was submitted on 23 Jun 2023
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homeassistant

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Home Assistant is open source home automation that puts local control and privacy first.
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Home Assistant can be self-installed on ProxMox, Raspberry Pi, or even purchased pre-installed: Home Assistant: Installation

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submitted 2 years ago by Lifebandit666@feddit.uk to c/homeassistant@lemmy.world
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My Nest E thermostat has shown the dreaded W5 error today. All my research is saying the Wi-Fi chip is fried and its a well known issue with Nest thermostats.

It has only lasted me 6 months and from a Home Assistant standpoint has been a bit infuriating as it constantly needs reintegration.

The plus side is that it cost me a grand total of £15 off a charity shop on eBay that was selling it for spares and repairs because the display was "dead" but actually just needed a good charge. I saw from my research that this has happened to a lot of people who actually paid full price for it, and replacements are only sent out if it's in warranty.

It still works as a thermostat but ain't smart no more! I'll have to start trawling ebay for a cheap replacement display.

Nothing else to say, I've been starved of social media this week, going cold turkey from the R word, so that's what this is really.

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[–] ironhydroxide@partizle.com 0 points 2 years ago (1 children)

Time to code your own thermostat.

An esp32, a 4x or 8x relay board, and a 24vac to 5vdc rectifier/regulator and you're golden.

Even has WiFi ;)

[–] Lifebandit666@feddit.uk 1 points 2 years ago

I would dearly love to become the hack a board hobbyist that a lot of you guys are, I'm genuinely in awe of some of the things I see people make but it's a little daunting.

I can't solder and haven't even tried. I get confused by the components, ohms and volts flumox me and the one time I tried to code something in ESPHome made 3 lights into bricks.

So I'm very much a "make cool stuff with off the shelf devices" kind of guy.