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10 months agoI’m reminded of Bill Hader talking about true crime shows, classic.
ZigBee is low-power radio (think Bluetooth but simpler), so there’s no Internet involved at all unless you connect it to an Internet-based device, and there you have many choices including open source or home-grown solutions.
If you really want to go deeeeep down this rabbit hole, the words to search are “every day carry”. Hide your credit card first though 😬