this post was submitted on 27 Jan 2024
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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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If it's in relay mode, does it only need power via USB or does it still need to be plugged into a server? I don't have any nearby devices to plug it into, I'd probably need to get some mishmash of USB charger and adapter to plug in the coordinator and power it, if it can't reach straight from my HA server all the way to where I want to put the button.
Yeah, it shouldn't need anything more than USB power, it's just another node in the mesh at that point. If you don't have one of those USB outlets just use a phone brick, that should be enough.
EDIT: See THIS for more info. While that's obviously written for Z2M some of it applies to other coordinators.
Sweet, I'll have a think of where I could put one. Any idea of range for ones that have an antenna?
The product page for the sonoff dongle says 40-50 meters line-of-sight but it'll depend on your walls and wifi interference.
Oh cool, thanks. None of the ones I looked at showed range info that I could see. It has to travel through a few walls, but I'm sure one will do the job with the right placement.