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Follow the build.

Dated updates from the bench as we build Heed: the CAD, the parts, test results and the mistakes, not only the good days.

Next update planned for 31 October 2026.
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  1. We designed the first case in code

    The v0.1 case is a 35.6 by 42.6 by 14 mm puck written in Python with build123d, with a magnetic garment plate and a list of what we have not verified yet.

    Hardware
  2. Why a puck and not a thin card

    Our first plan was a 5 mm card that sticks to your phone. Here is why the first Heed is a small puck with an off-the-shelf battery instead.

    HardwareDecision