[arm-allstar] unstable WiFi connection on new rPi model 3 B node

[David McGough]

That type combo should be very solid, I run a similar config on my
systems.....It's possible that the 12v wallwart is failing, I guess? 
(Grasping at straws here....I know).




On Tue, 3 Oct 2023, Jim Kinter Jr. wrote:

> Hi David,
> 
> For all my PI's I power them from a 12VDC 1A or better wall wart 
> feeding a Hobbyking UBEC that outputs 5VDC up to 3A, and have never 
> had issues with power on the Pi's.
> As far as I can tell, all else on the bad-wifi Pi is working fine.
> 
> KTF
> 
> 
> At 09:52 AM 10/3/2023, David McGough wrote:
> 
> >The 1st thing to always try is a different/new power supply.  This is the
> >#1 source of all problems with RPi boards.  Also, do you have a source of
> >backup power?  If not, have the number of brief power drop-outs
> >(brown-outs) increased?
> >
> >
> >73, David K4FXC
> >
> >
> >On Tue, 3 Oct 2023, Jim Kinter Jr. via ARM-allstar wrote:
> >
> > > I have a Pi3 mounted out in my laundry room, that I am running a
> > > power monitoring system on (has a custom hat board that takes input
> > > from 14 current transformers snapped onto the wires in my circuit
> > > breaker panel, displays Grafana graphs), and the last 2 weeks I have
> > > been fighting the same thing, wifi connects for a bit after boot,
> > > then drops never to reconnect until a I go power cycle the thing (I
> > > know thats bad, but dont want to drag a monitor/kbd to the laundry
> > > room each time/no switch close enough to plug in a network cable).
> > > Its irritating enough I am considering how to run a CAT6 to it from
> > > my network rack through the attic... (everything else on the 
> > estate is cabled)
> > >
> > > It was fine for months, then when I noticed it had somehow got a DHCP
> > > server turned on, I reconfig'd to use NMCLI vs DNSMasq (the
> > > monitoring system guy config'd the image), and thats when it started
> > > happening. .
> > >
> > > My Allstar node is cabled, 5 feet from the rack, so not seeing it there.
> > >
> > >
> > > 73
> > > Jim
> > >
> > >
> > > At 09:58 AM 10/2/2023, Patrick Perdue via ARM-allstar wrote:
> > > >Greetings:
> > > >
> > > >I've had a Raspberry Pi running HamVoIP for years. The other day, I
> > > >did a fresh install. Due to my own stupid fault, the MicroSD card
> > > >died, and the backup image went missing.
> > > >
> > > >Anyway, this node had previously been very stable. Now, with the
> > > >same hardware other than a new MicroSD card and a new image of
> > > >HamVoIP, the WiFi drops anywhere from about 3 to 10 minutes after
> > > >the node boots and never comes back online.
> > > >
> > > >The old image was running a 4.19 kernel. This one is ... whatever
> > > >the latest image is. 5.4.something.
> > > >
> > > >The AP is a Ubiquiti U6 Lite. Signal strength is about -56 dBm 
> > when it works.
> > > >
> > > >I have a Raspberry Pi 3 model A Plus a few feet away from that one
> > > >on the same network that happily maintains connectivity forever.
> > > >
> > > >Just wondering if anyone has seen this kind of thing. Maybe time for
> > > >an external device to bridge Ethernet to WiFi, a new Pi, or both?
> > > >
> > > >73
> > > >
> > > >N2DYI
> > > >
> > > >_______________________________________________
> > > >
> > > >ARM-allstar mailing list
> > > >ARM-allstar at hamvoip.org
> > > >http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
> > > >
> > > >Visit the BBB and RPi2/3/4 web page - http://hamvoip.org
> > >
> > > _______________________________________________
> > >
> > > ARM-allstar mailing list
> > > ARM-allstar at hamvoip.org
> > > http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
> > >
> > > Visit the BBB and RPi2/3/4 web page - http://hamvoip.org
> > >
> 
>