[time-nuts] How to get PPS from ublox mini-PCI GPS to APU2 SoC serial port for ntpd

Scott Stobbe scott.j.stobbe at gmail.com
Wed Nov 9 12:53:16 UTC 2016


Just make sure you get a board with more than one Rx/Tx pair, unless you
are happy with two boards; one for Rx/Tx and one for PPS.

On Wed, Nov 9, 2016 at 2:08 AM, Hal Murray <hmurray at megapathdsl.net> wrote:

>
> gem at rellim.com said:
> > Who cares if the PPS is inverted?
>
> Good point.  I wasn't paying attention to the PPS only context in the
> subject.  I keep forgetting which way is best for PPS.  Fortunately, all
> the
> software I've used knows how to handle inverted PPS.
>
> The original message in this thread also mentioned RX and TX.
>
> I'd probably get the RS-232 version since I'm likely to want the RX/TX too
> and it's more likely to be useful on other projects.
>
>
> --
> These are my opinions.  I hate spam.
>
>
>
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