[Diy_efi] Re: Minimalist micro based EFI ?

[Erik Jacobs]

> I agree that 10bits should be adequate.  That gives 1024 codes...
> which means on a 0->5V sensor, that's 4.8mV or similar.  I would imagine
> that noise on the line would be greater than this, and hence the only real
> way to remove it would be to oversample, which is not worth it in
> this kind of environment anyway.

Couldn't you just apply some filtering on the input signal?  The noise in an
automotive system has got to be at far higher frequencies than any delta
signal you'd get, wouldn't it?


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