[arm-allstar] RPi graceful automatic power shutdown

R Wilson wa2wwk at gmail.com
Mon Mar 5 10:18:32 EST 2018


We don't realize how important utilities are until we loose them.  Thanks
for all your help with AllStar and other ham radio projects.
WA2WWK  Ron

On Wed, Dec 6, 2017 at 2:21 AM, "Doug Crompton via arm-allstar" <
arm-allstar at hamvoip.org> wrote:

> I have added a howto to the hamvoip.org web page detailing a circuit to
> gracefully shutdown an RPi 2/3 using a simple switch or ignition switching
> in a car. This would allow you to simply turn on your mobile node by just
> turning on the car and when leaving the car just turning off the ignition
> the node would tell you it is shutting down via the radio and then
> gracefully shutdown the Pi and turn off all power to both the Pi and the
> radio.
>
> BTW - tests show that using the beta DNS code a node becomes ready to
> connect to other DNS enabled nodes in seconds after boot making quick on
> and off portable or mobile nodes work great.
>
> You can see the howto at the hamvoip.org site or directly at:
>
> https://hamvoip.org/hamradio/power_shutdown_monitor/
>
> The latest (Dec 4, 2017) update has the modified shutdown_monitor.sh script
> to support this circuit.
>
>
> *73 Doug*
>
> *WA3DSP*
>
> *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
> _______________________________________________
>
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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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