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by varenc
523 days ago
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AirTags and an iPhone 11 or newer should exactly solve this for you. Lets you locate AirTags to within a foot. Rather than using Bluetooth connection strength, it uses Ultra Wideband for precision location. This works on time-flight using the speed of light delay like GPS. When you open the Find My app it very quickly knows the exact distance to the AirTag, and then as you walk around it uses your observed change in position to determine the exact direction the AirTag is from you. It's really cool tech! You need to use the "Find" feature in the Find My app and not the "Play Sound" feature. And it requires an iPhone 11+ with an H1 Ultra Wideband chip in it. Cost is probably on-par with setting up various bluetooth boards around the house, and way more accurate. Though not as much hackery fun. https://en.wikipedia.org/wiki/Ultra-wideband#Real-time_locat... |
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