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

Cube Central cubecentral at gmail.com
Wed Nov 9 05:59:07 UTC 2016


I've used that sparkfun part to great success...  Works like a charm.  Highly recommended!

	-Randal R.
		(at CubeCentral)

-----Original Message-----
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? - 
> http://www.banggood.com/8-Channel-Logic-Level-Tran
> slator-Converter-Bi-Directional-Module-p-1023173.html

Not likely.

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:
  https://www.sparkfun.com/products/11189


-- 
These are my opinions.  I hate spam.



_______________________________________________
time-nuts mailing list -- time-nuts at febo.com
To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.




More information about the Time-nuts_lists.febo.com mailing list