Your method tosses out a lot of data.  You can't see transients.  Ideally
rather then record a 1 second average you'd record the time of EVERY zero
crossing.  It sounds like a lot of data but not really.   You only record
32 bits 60 times each second.  That is 240 bytes per second.

On Fri, Nov 15, 2013 at 6:51 PM, Bill Dailey <docdai...@gmail.com> wrote:

>
> 110vac-->5vac-->100ohm-->picpet event---> python average 60 cycles--> log
> freq every second.


-- 

Chris Albertson
Redondo Beach, California
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