solarwind wrote:
> Rip open an old mouse and extract the phototransistor and infrared
> LED. Mount each on the two forks of the bicycle so that they face each
> other. When the spoke gets in the way, the light to the
> phototransistor gets cut off and can be detected by the
> microcontroller.
>
> Would this work?

If you could keep it clean.  But since you can't, not really.


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