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Don't forget Temperature Sensors for your Fridge!
(lemmy.world)
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
My Aqara sensor has a pretty good signal in my fridge, results may vary as the material of fridges vary.
How is battery life in this cold environment?
Cheers!