All,

I'm trying to workout how to approach the design of a Bike Computer.
This is not a computer for a bicycle but rather for an exercise bike
that will interface with a real computer.

The exercise bike already is fitted with a reed switch and so a sense
of wheel rotation is known. I'm of split opinions at the moment
however at the moment on whether to use a PIC onboard to work out
stats like speed, distance, RPM etc and then send this to the computer
or to only send the wheel telemetry to the computer and use software
on the computer for processing. How would others do it ?

The concept has been suggested that multiple bikes are connected to
the same computer for telemetry recording which also would influence
the decission of where to process and how to connect.

The obvious solution for connection was RS232 however most laptops
dont have serial anymore so then its a case of embedded USB support or
use USB dongles. Which would be better ??

This is a very low budget project and I wanted to be able to get this
working with a minimal of components in a short time.

I tried searching google for someone else's attempts at a similar
project however I didnt find any. If anyone knows of any, please let
me know.

Thanks


Liam
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