[time-nuts] How to properly characterize 32kHz oscillators manually and with a microcontroller?
Hal Murray
hmurray at megapathdsl.net
Tue Jun 28 15:48:31 EDT 2016
pete at heypete.com said:
> I have seen those, but I have little experience with PICs and the Wife
> Acceptance Factor of buying more stuff for a one-off measurement is low.
The PIC family is very similar to AVRs. The picPET and friends are 8 pin
DIPs so the Wife is unlikely to notice the additional clutter.
>> The PPS input on a PC may be be useful.
> Indeed. I normally use it for NTP.
Than you want a second serial port for things like this.
Or maybe you can use the parallel port if your system is old enough to have
one. I haven't tried it, but I think Linux has a module that supports it.
--
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