I would start with Microchip's application note AN521.  It mostly covers
hardware issues.

Sherpa Doug

> -----Original Message-----
> From: David Dunn [mailto:ddunn@TCAINTERNET.COM]
> Sent: Tuesday, November 06, 2001 11:15 AM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: [PIC]: Zero Crossing Detector
>
>
> I'm sure in my surfing i've seen that you can do a zero
> crossing detector on a pic, possibly with PB0 ? I'm using a 16F877.
>
> Anybody have links on how to set this up ?
>
>
> Thanks,
>
> DLD
>
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