this post was submitted on 18 Jun 2023
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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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Haven't watched the video but the description states you need a smart watch to accomplish this? Seems like it'd be handy under certain use cases (you live alone and always have your watch on you) but sadly wouldn't work great with a family.
I've wanted to tackle presence detection for a while, but it seems the only feasible, universal way of doing it is with a mix of PIR and mmWave sensors. Unfortunately the cost of these sensors are still pretty high currently.