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Surely you have ultra-wideband radios on your bins too?

147 points · 81 comments · simonjgreen

  1. knotimpressed · · focus · HN ↗
    How much of this was written with/edited by an LLM? Some parts of it feel somewhat Claude-ish, and I’m very curious if that’s a false positive.

    Super cool work! I had no idea UWB tags had gotten so cheap, or that CR2077 was a size.

    1. walrus01 · · focus · HN ↗
      I don't think CR2077 is a size, it may be a typo for CR2477 which is very common?

      CR2477 is high enough capacity that it's used in a number of zigbee or zwave800 based products that have no wired interface.

      <a href="https:&#x2F;&#x2F;www.google.com&#x2F;search?client=firefox-b-d&amp;q=cr2477+battery" rel="nofollow">https:&#x2F;&#x2F;www.google.com&#x2F;search?client=firefox-b-d&amp;q=cr2477+ba...

      <a href="https:&#x2F;&#x2F;aichiplink.com&#x2F;blog&#x2F;CR-Battery-Sizes-and-Specifications-You-Should-Know_350" rel="nofollow">https:&#x2F;&#x2F;aichiplink.com&#x2F;blog&#x2F;CR-Battery-Sizes-and-Specificati...

      1. simonjgreen · · focus · HN ↗
        It is indeed a typo! Thanks.

        Interestingly I’ve used Zigbee for well over a decade, tried easily over a hundred different devices, built others homes, and I’d never encountered this battery size until this project!

        Will fix the typo later

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