On Tue, 30 Jan 2018 15:54:45 +0000, in
, Ahem A Rivet's
Shot  wrote:

>On Mon, 29 Jan 2018 19:43:02 +1200
>nospam.Richard.Miles@f24.n3634.z1.binkp.net (Richard Miles) wrote:
>
>> Probably going to see if I can get hold of a UPS hat over here pretty
>> soon. I am getting ready to start a car pi project and I have been
>> concerned about how to elegantly shut down when I power down the car.
>
> There are permanently on rails in all cars, you'll find one feeding
>the radio (as well as a switched rail that only comes on with the
>instruments). Keeping a pi running won't matter to a car battery.

There are some really nasty voltage spikes in automobile electrical
systems.
--
Jim H

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