Cameron Frazier <[email protected]> writes: >> 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. -- Be free, use free (http://www.gnu.org/philosophy/free-sw.html) software! mailto:[email protected] _______________________________________________ Openmoko community mailing list [email protected] http://lists.openmoko.org/mailman/listinfo/community
