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Good local-only/local-first wifi thermostat? (infosec.pub)

submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/selfhosted

26 comments fedilink hide all child comments

I want to be able to control my thermostat from my phone, so I'm looking for recommendations for one that meets the following:

Works with no network access (as in, I can access it but it can't access anywhere else, enforced via VLAN on my firewall)
Lets me control my single apartment thermostat (temperature, heat/cool, maybe programming but it's okay if I have to do that on the unit directly)
Not hundreds of dollars
No microphone

Any thoughts? Really just want something simple.

Edit: I have no other smart home devices right now, if that matters.

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[–] [email protected] 1 points 1 year ago (1 children)

Do you control your thermostat via ir remote?

If so, an esp32 or esp8266 running esphome and an ir led connected to a pin might be a solution.

Would cost like 3 dollars in parts from AliExpress, and you could connect it to home assistant or node red for more control or automation.

You could also add a temp sensor like for example ds18b20, which are also pretty cheap, if you want to be able to read temperature remotely or automate based on temp

[–] [email protected] 1 points 1 year ago (1 children)

Nope, I just walk up to it and push buttons if I need to make changes.

[–] modesto_hagney 1 points 1 year ago (1 children)

What’s the thermostat controlling? How is it wired up? I replaced mine with ram esphome with a temp sensor and a relay that bridges the pins when it wants to turn on. Mine is connected to home assistant but i think you can use esphome devices stand alone.

[–] [email protected] 1 points 1 year ago

This is probably not a useful answer, but it's the level of knowledge that I have: it controls the heating and cooling, and it just gets pushed into the holder on the wall.