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Thread: Truck tachometer
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face BY : Octavio Nogueira email (remove spam text)



> >Picking up the ignition pulse is more exact.
>
> Most trucks are diesel and don't have one of these. Perhaps this is why he
is
> looking at the alternator?
>
> My idea would be to have some form of sensor mounted to sense the teeth on
the
> starter ring gear. This would probably give a more consistent pulse pickup
then
> alternator frequency.

What about picking the fuel injector pulse? I was
thinking in applying this to measure RPM and fuel
consume.
to measure the width of the pulse I will use CCP

Friendly Regards

Octavio Nogueira
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