Cameron Frazier  writes:

quoted text
>> 1) I'm missing the cadence display = the number of revolutions of the

>> crank per minute; roughly speaking, this is the speed at which a

>> cyclist is pedalling/turning the pedals.

>

> For cadence detection, a hall effect sensor and a small magnet would

> cover it and have no moving parts/contacts ( see [1] for an

> example),

Hm, i was always under the impression that most bike systems use a

simple magnet and a reed switch (no need for hall effect sensor) for

both cadence and speed measurements. So any sensor from a regular

"bike computer" can be directly attached to the mic line of FR.
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