Hot answers tagged open-source
openbike.org (itself open) has inspired independent projects such as Jetrike (whose author makes plans available). Expired patents may also count as open source because inventions must be fully disclosed. See for example a linked braking system from 1978, Calderazzo's US Patent #4102439, which makes it very difficult to flip yourself over the bars. (I read ...
The most detailed account/details I've come across for building your own bike computer is here on PIClist. Those pages contain detailed instructions for building a bike computer using a PIC microcontroller linked to a Hall Effect Sensor (it detects the magnet attached to a spoke as the wheel spins). In addition to the build details it also features a ...
Easiest platform is probably arduino - nearest bike thing I can find is this
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