[arm-allstar] Portable Node

[Chris Viningre]

Thanks for the suggestions Terry. I have other nodes running the same vr
with no problems. I have tried to see if they would duplicate the same
problem my portable one does. I'll try some of your subjections.

On Dec 22, 2017 1:11 PM, Terry Bethlehem via arm-allstar <
arm-allstar at hamvoip.org> wrote:

> I've seen those on amazon. One seller recommends putting a heat sink on the
> chip, if the draw is over 2.5a. A small heat sink, probably the same size
> that fits on the smaller pi3 chip, might be the right size. That is, if
> when your dmk cuts out, and see if the chip is hot. It could be many
> things. Personally, I have a few of those buck converters. Haven't used
> them yet. I'm planning on getting a larger dc to dc converter because I
> want to power more things.
>
> It might be voltage sag. It could be drawing too many amps. It could be not
> adjusted to 5.17vdc. It could be many things. Looks like trouble shooting
> with a multimeter might be in order.
>
> On Dec 22, 2017 3:04 PM, Chris Viningre via arm-allstar <
> arm-allstar at hamvoip.org> wrote:
>
> > 12 volts from the truck battery to the box. Step down voltage regulator
> to
> > Pi3 running 5volts.
> >
> > https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.
> > ebay.com%2Fulk%2Fitm%2F222245520202
> >
> >
> > On Dec 22, 2017 12:55 PM, "David McGough" <kb4fxc at inttek.net> wrote:
> >
> > >
> > > Chris,
> > >
> > > What kind of power supply are you using on the RPi3?
> > >
> > >
> > > 73, David KB4FXC
> > >
> > >
> > > On Fri, 22 Dec 2017, "Chris Viningre via arm-allstar" wrote:
> > >
> > > > Portable node is a 888, DMK soundfob and AT&T hotspot on my
> cellphone.
> > I
> > > > have an issue that I'm hoping someone might have a insite on. If I
> > start
> > > my
> > > > node without WiFi and then turn the hotspot on. The soundfob will go
> > dead
> > > > after trying to transmit (no lights). It will continue even after I
> > > restart
> > > > Asterisk. Rebooting will not work either. Even if I unpower the
> system
> > > for
> > > > 10 seconds it will not work. I found if I leave it off for awhile and
> > > turn
> > > > it on with WiFi on first. Everything works find. Ok, the simple
> answer
> > is
> > > > to not turn it on without WiFi, and I do when I'm still at home. But
> > > > sometimes I forget. Thanks
> > > > _______________________________________________
> > > >
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> > > > arm-allstar at hamvoip.org
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> > > >
> > > > Visit the BBB and RPi2/3 web page - http://hamvoip.org
> > > >
> > >
> > >
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> >
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> >
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>