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Gotcha. A ZigBee/Z-wave plug was the first thing that came to mind. I’ll probably go the same route. I was merely saying that wireless-anything is less dependable than wired. But I don’t even know if wired smart plugs exist. I use wireless sensors around my home and I’ve never had an issue with dependability. I definitely wasn’t considering Z-wave as a local attack vector. I was just brainstorming some way to avoid a wireless solution for something where dependability is paramount.

Care to share what outlet you had success with? I’m comfortable with Home Assistant and ZigBee/Z-Wave. Something this critical probably shouldn’t be wireless, but I digress. I’m also interested in what software you’re using for monitoring and alerts (if you’re willing to share). Cheers!

Why’s it free on F-droid but $3.49 on Google Play? Or is the dev on Play just shamelessly profiting off an open source app? Edit: My bad. As everyone pointed out, purchasing on Google Play is how you can donate to the project. Sorry to jump to conclusions.