[time-nuts] How to get PPS from ublox mini-PCI GPS to APU2 SoC serial port for ntpd
cubecentral at gmail.com
Wed Nov 9 00:59:07 EST 2016
I've used that sparkfun part to great success... Works like a charm. Highly recommended!
From: time-nuts [mailto:time-nuts-bounces at febo.com] On Behalf Of Hal Murray
Sent: Tuesday, 08 November, 2016 22:13
To: Discussion of precise time and frequency measurement <time-nuts at febo.com>
Cc: hmurray at megapathdsl.net
Subject: Re: [time-nuts] How to get PPS from ublox mini-PCI GPS to APU2 SoC serial port for ntpd
strykar at hotmail.com said:
> Would this do the trick? -
The normal RS-232 level shifter chip includes an inverter. (No good reason, just historical, but with a long history.)
I can't understand the schematic on the part Gary suggested. I'd use something like this:
These are my opinions. I hate spam.
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