On Fri, 5 Dec 1997, Starfire Zhu wrote:

> Well, as I have watched the signal with a scope, I know that it is
> usually mixed with noises,so even an accurate timing for sampling
> the signal can not assure a correct reception!

  I haven't done anything like this with a PIC (most of my experience is
with HC05 and HC11 micros) so I can't offer code, but you need to
oversample the signal and set up a voting system for each bit so that it
can decide on its state based on the number of hits it gets.

  Brian

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