Turn FR into bike meter

Cameron Frazier frazier.cameron at gmail.com
Thu Jul 2 17:50:24 CEST 2009

On Thu, Jul 2, 2009 at 11:34 AM, Risto H. Kurppa<risto at kurppa.fi> wrote:

> 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),
you could do the same for wheels if you wanted to, though that would
require some form of pre-processing to multiplex the signals I would

[1] http://www.instructables.com/id/RGBike-POV-Open-project/

More information about the community mailing list