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NFC tags are a complete game changer!!
(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
I do this and even have a card on my tablet/dashboard with how many days left on the filter! Tag is down on the furnace.
You just reminded me that I had tags on my furnace and under sink water filter. I never set them up again after I moved a few years ago.
I hear a weekend project brewing :)