[time-nuts] Ublox 8T

[paul swed]

Hello to the group and it sounds like someone could create some empty
boards.
But I am curious. I looked at Allibaba and see that ublox NEO6 boards are
available for little cost. Have not looked at the pinouts of the 8T to
compare but might it be a case of removing a neo6 and replacing it with a
8T?
I have an 8T on order so one way or another will need to do something.
Regards
Paul
WB8TSL

On Thu, Dec 10, 2020 at 10:31 AM Bob kb8tq <kb8tq at n1k.org> wrote:

> Hi
>
> I’ve looked at several “you supply the components” outfits. Each time I’ve
> dug into it,
> the mechanics of supplying an adequate number of parts has been pretty
> daunting.
> None of the things I do is very “high volume” ( 10 is a lot of boards for
> me ).
>
> Bob
>
> > On Dec 10, 2020, at 9:21 AM, Mark Goldberg <marklgoldberg at gmail.com>
> wrote:
> >
> > If you have some volume, consider Small Batch Assembly:
> >
> > https://www.smallbatchassembly.com/
> >
> > They are not as cheap as the Chinese suppliers, but you can provide
> > your own components, and it is run by a very helpful gentleman in the
> > Washington DC area. I got the bare boards from OshPark and you can
> > order your components from distributors and send them directly to
> > Small Batch. I preferred using my own parts from known sources, but
> > they have a stock of components also.
> >
> > Regards,
> >
> > Mark
> >
> > On Thu, Dec 10, 2020 at 6:43 AM Bob kb8tq <kb8tq at n1k.org> wrote:
> >>
> >> Hi
> >>
> >> If you have a board with many dozens of passive parts on it and
> >> four or five IC’s getting all those passives down on the board *is*
> >> very useful. Their price on typical passive parts is low enough that
> >> the delivered cost is still very close to a bare board.
> >>
> >> If you do use odd IC’s you have to move quick. Get the board(s) laid
> >> out and into them fast. Accept that you may not be in stock next week.
> >> For things like three terminal regulators or run of the mill digital
> stuff, they
> >> seem to maintain a pretty good inventory. Yes, it will be in “their”
> favorite
> >> package ….
> >>
> >> Bob
> >>
> >>> On Dec 10, 2020, at 2:48 AM, Matthias Welwarsky <
> time-nuts at welwarsky.de> wrote:
> >>>
> >>> On Mittwoch, 9. Dezember 2020 23:58:51 CET Bob kb8tq wrote:
> >>>> One note: JLPCB is the only “fab + assembly” outfit I’ve tried. Their
> boards
> >>>> are no better / no worse than a lot of other board fab outfits. I
> have no
> >>>> idea how they compare to other assembly houses. My selection
> criteria: “
> >>>> are they the cheapest I can find?”
> >>>
> >>> Currently, you will not find any other fab+assembly service that is as
> cheap
> >>> and requiring (almost) no human intervention. For protoype runs with
> two to
> >>> five boards assembled there is no competition. I'd say even for 50
> boards
> >>> there isn't.
> >>>
> >>> The JLCPCB PCBs are ok, the biggest letdown is the solder mask. It's
> just
> >>> plain bad. It flakes off on the tiniest rub with a hot iron.
> >>>
> >>> The biggest obstacle for sure is the limited parts catalog. They have
> a decent
> >>> assortment of passives but almost all active parts come from the
> "extended"
> >>> listing (extra cost, 10 uniques only) and they may not stock the
> footprint you
> >>> want to use, and the wildly fluctuating inventory.
> >>>
> >>> I'm treating them mainly as a layer of convenience. I let them place
> all the
> >>> boring passives and maybe a few common actives, but I don't go out of
> my way
> >>> to design along their catalog only, knowing that they might not have
> stock of
> >>> all the parts anyway when I order the boards.
> >>>
> >>>
> >>>
> >>>
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> >>
> >>
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