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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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Shelly relays for energy monitoring (forum.uncomfortable.business)

submitted 5 months ago by [email protected] to c/[email protected]

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I'm wanting to add a bunch of energy monitoring stuff so I can both track costs, and maybe implement automation to turn stuff on and off based on power costs and timing.

I'm using some TPlink based plugs right now which are like, fine, but I'm wanting to add something like 6 to 10 more monitoring devices/relays.

Anyone have experience with a bunch of shelly devices and if there's any weird behavior I should be aware of?

Assume I have good enough wifi to handle adding another 10 devices to it, but beyond that any gotchas?

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[–] thr0w4w4y2 1 points 5 months ago

Hi I have installed half a dozen Shelly 1PM Mini units around the house and they do work well. I’ve not had one fall off the wifi, and they are great with HomeAssistant. I use InfluxDB to capture data from HomeAssistant and do calculations and aggregations in the DB to get overall costs of devices. I also use HomeAssistant to automate the relays so lights come on at night etc.

Installation is a bit tricky so I tend to use IP64 rated enclosures rather than leave them in the drywall like the website says you can. I also find the mains cables a bit thick to go into the terminals and adding ferrules would make it impossible. Other than that I think they’re great.