Re: Help needed with USB GPS device

[Gary E. Miller]

Yo Gary!

On Sun, 3 Mar 2024 15:32:56 -0800
"Gary E. Miller" <gem@rellim.com> wrote:

> Yo Gavin!
> 
> On Sun, 3 Mar 2024 23:04:56 +0000
> Gavin Davenport <gavdav@gavdav.net> wrote:
> 
> > The machine I'd like to connect a better quality gps time source to
> > is: https://www.jetwaycomputer.com/spec/NF9HG.pdf
> > It has an internal, unused RS232 9-pin connector.  
> 
> $20 says it is not real RS232.  Real RS-232 is +/- 12V.  That is
> probably 0-5V.  Which works perfectly with the 1st basreboard I sent.

Shoulda taken the bet. Looking at the manual:

https://www.jetwayusa.com/dl/manual/G03-NF9H-F.pdf

The onboard serial port is selectable for +12V or +5V.  Unlear about the
-12V part os RS-232, but seelct the +5 and a bareboard GNSS will work
fine.  Use 2" wires, wrap the GNSS in bubble wrap, and leave it in the
case.

RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        gem@rellim.com  Tel:+1 541 382 8588

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