[arm-allstar] No electricity

[Doug Crompton]

A relay is so 1950 but yes it will work and would be easiest for you to do.

As far as the script I can put something together and get back to you in a
day or two for that.


*73 Doug*

*WA3DSP*

*http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*

On Fri, Oct 19, 2018 at 9:59 AM "Luc Drolet VE2LUQ via ARM-allstar" <
arm-allstar at hamvoip.org> wrote:

> Hello to you,
>
> Good idea, a relay, the coil on the AC and contacts of the relay on GPIO
> to the Raspberry PI
>
> But how to do with the GPIO of Rasberry PI?  I/O
> I'm never experimenting that GPIO
> I have tests and reading to do to fully understand the GPIO system
> if it is possible, moreover if it is possible to have a message on the
> airwaves or to have the "ROGER BEEP" etc. changed automatically,
> a method for us to know that he has no electricity at this site?
>
> Thank you for your ideas
>
> 73’s
> Luc
> VE2LUQ
>
> > Le 19 oct. 2018 à 05:13, Neil Mooney via ARM-allstar <
> arm-allstar at hamvoip.org> a écrit :
> >
> > I think the safest and easiest way to detect AC power fail is to use an
> AC relay with its coil energised by your sites AC power and its contacts
> used to connect the RPi's own 3.3v supply to one of its GPIO pins.
> >
> > Regards,
> >
> > Neil
> > ________________________________
> > From: ARM-allstar <arm-allstar-bounces at hamvoip.org> on behalf of "Doug
> Crompton via ARM-allstar" <arm-allstar at hamvoip.org>
> > Sent: 19 October 2018 03:33
> > To: ARM Allstar
> > Cc: Doug Crompton
> > Subject: Re: [arm-allstar] No electricity
> >
> > Well I have no idea what that guy said, we generally speak English on
> this
> > site!  Anyhow if you strictly wanted to use Allstar to detect this you
> > would need to build a small circuit to bring AC into a GPIO bit on the
> Pi.
> > This would involve rectifying filtering and greatly reducing the voltage
> to
> > the 3.3V limit for GPIO on the Pi. This would be relatively easy and I
> > could supply a simple circuit if you are interested.
> >
> > Another easier option would be to use a clean 3V DC source powered solely
> > by AC power connected to a GPIO bit. Remember you cannot connect more
> than
> > 3V to the Pi GPIO!
> >
> > Then you would monitor that GPIO bit with a script that would do
> something
> > if the power failed. It could change the courtesy tone, or create a tail
> > message or repeated message on the node to tell you that you were in
> power
> > failure mode.
> >
> > If you are capable of doing this I could give you more details. There is
> no
> > "just check this" method for doing this using the Pi as the Pi does not
> > know by itself if power has been lost.
> >
> >
> > *73 Doug*
> >
> > *WA3DSP*
> >
> > *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
> >
> > On Thu, Oct 18, 2018 at 9:46 PM "Gervais Fillion via ARM-allstar" <
> > arm-allstar at hamvoip.org> wrote:
> >
> >> Luc,
> >> as tu de l'aprs dans son coin ?.
> >> tu installes un Tracker comme un Byonic 4 et il monitore l'etat des
> >> batteries,la temperature ambiente,les porte qui ouvre du site et tu peut
> >> meme recevoir un courriel.
> >>
> >> gervais
> >> ve2ckn
> >>
> >> ________________________________
> >> De : ARM-allstar <arm-allstar-bounces at hamvoip.org> de la part de "Luc
> >> Drolet VE2LUQ via ARM-allstar" <arm-allstar at hamvoip.org>
> >> Envoyé : 18 octobre 2018 21:18
> >> À : Luc Drolet VE2LUQ via ARM-allstar
> >> Cc : Luc Drolet VE2LUQ
> >> Objet : [arm-allstar] No electricity
> >>
> >> Hello everyone,
> >>
> >> I am looking for a solution to know when I am no longer in electricity
> on
> >> an amateur radio site that is difficult to access.
> >>
> >> this site works with 3 x 12 volt batteries, but it would be very useful
> to
> >> know when there is a power failure,
> >> can we receive text messages?
> >> can we change the "ROGER BEEP" queue when there is no more electricity
> on
> >> this site?
> >> or any other method would appreciate
> >> Do you have any solutions?
> >>
> >> 73’s
> >> Luc
> >> VE2LUQ
> >> _______________________________________________
> >>
> >> 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 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 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 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 web page - http://hamvoip.org
>
> _______________________________________________
>
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