piclist 2000\06\01\110224a >
Thread: Truck tachometer
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
> looking at the alternator?
> My idea would be to have some form of sensor mounted to sense the teeth on
> starter ring gear. This would probably give a more consistent pulse pickup
> alternator frequency.

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

Friendly Regards

Octavio Nogueira
spamBeGonenogueiraspampropic2.com                  ICQ# 19841898
ProPic tools - low cost PIC programmer and emulator

{Original Message removed}
<001301bfcbda$1af77fc0$c28dd5c8@octavio> 7bit

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