> > A low-pass filter is simply a moving-average in a sampled data system.
>
> Ding! Ding! Ding!  The perfect "plain english" description.  I get it now.

Not so fast.  That's only one way to achieve a low pass filter.  In
techno-speak that's called a box filter, which is usually not what you want
to implement in a PIC.  For most ordinary situations, there are better
methods that are actually easier to implement.


********************************************************************
Olin Lathrop, embedded systems consultant in Littleton Massachusetts
(978) 742-9014, olin@embedinc.com, http://www.embedinc.com

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