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Replacing the old battery on rechargeable bike lights

208 points · 131 comments · surprisetalk

  1. amelius · · focus · HN ↗
    Does anyone know of a back light that turns off after 5 minutes of no movement? I'm tired of backlight being out of juice just because I forgot to turn it off ... I'm tempted to make a circuit and maybe even the sensor myself but I don't have the time for it and it probably already exists.
    1. VikingIV · · focus · HN ↗
      If you use a bike computer: the Garmin Varia tail lights auto shutoff shortly after disconnecting from the computer, and the computers themselves have auto shutoff after a period of inactivity.
      1. artisinal · · focus · HN ↗
        A bicycle tail light that wirelessly connects to a central computer to turn itself off? I really hate the timeline we live in. Back in my time a bicycle tail light was connector to a dynamo and a capacitor. It would automatically shut off after a minute or two. No Bluetooth required.
        1. fragmede · · focus · HN ↗
          Turns out, the simple way had some shortcomings that were only solvable by making things more complicated. I don't see an alternate timeline where that isn't true, unless we stick to an agrarian society. Banks were a mistake.
          1. artisinal · · focus · HN ↗
            What shortcomings did it have? Like never having to charge anything? Not needing an app? Not needing wireless communications? Not needing to pair? Sound like terrible shortcomings.
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