[time-nuts] Motorola UT+ Interface Board

paul swed paulswedb at gmail.com
Tue Aug 14 01:20:03 UTC 2012


impressive
Shame there is not a buy now. 1cent plus $4 shipping and you have to wait 2
days to see if you won the bid. Or am I missing something?
Regards
Paul

On Mon, Aug 13, 2012 at 7:11 PM, Chris Albertson
<albertson.chris at gmail.com>wrote:

> If you have not seen one here is a good example.  They make it easy.
> New-MAX232-RS232-TTL-Converter-Adapter-Module-Board<
> http://www.ebay.com/itm/New-MAX232-RS232-TTL-Converter-Adapter-Module-Board-/180951092526?pt=LH_DefaultDomain_0&hash=item2a21868d2e#ht_1976wt_1180
> >
> But I think I had to add a jumper to get the PPS signal onto the DCD pin.
>  Also the PPS needs to be inverted if I remember correctly.
>
>
> On Mon, Aug 13, 2012 at 3:26 PM, Don Latham <djl at montana.com> wrote:
> > Even easier is a 5v rs232 to USB board.
> > Don
> >
> > paul swed
> >> I have done the exact same thing. Pretty quick work and the maxim chips
> >> make it pretty easy
> >> Regards
> >> Paul
> >> WB8TSL
> >>
> >> On Mon, Aug 13, 2012 at 12:07 PM, Chris Albertson
> >> <albertson.chris at gmail.com
> >>> wrote:
> >>
> >>> On Mon, Aug 13, 2012 at 6:47 AM,  <dropkick23 at gmail.com> wrote:
> >>> > Does anyone have a source for UT+ interface boards?
> >>> > Like the McKinney boards from TAPR  (that are no longer available).
> >>>
> >>> I hand wired one using a 4x6 inch prototype board.   It is not very
> >>> complex.
> >>>
> >>> The best why to do the TTL to RS-232 conversion is with this little
> >>> device you can find on eBay that is a MAX232 chip built into a DB9
> >>> shell
> >>>
> >>> Chris Albertson
> >>> Redondo Beach, California
> >>>
> >>> _______________________________________________
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> >
> >
> > --
> > "Neither the voice of authority nor the weight of reason and argument
> > are as significant as experiment, for thence comes quiet to the mind."
> > R. Bacon
> > "If you don't know what it is, don't poke it."
> > Ghost in the Shell
> >
> >
> > Dr. Don Latham AJ7LL
> > Six Mile Systems LLP
> > 17850 Six Mile Road
> > POB 134
> > Huson, MT, 59846
> > VOX 406-626-4304
> > www.lightningforensics.com
> > www.sixmilesystems.com
> >
> >
> >
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>
> --
>
> Chris Albertson
> Redondo Beach, California
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