[time-nuts] How to get PPS from ublox mini-PCI GPS to APU2 SoC serial port for ntpd
Hal Murray
hmurray at megapathdsl.net
Wed Nov 9 00:13:05 EST 2016
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
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