[Soekris] Can we run Soekris through 12v battery
jim at giffords.net
Fri Jul 25 14:01:37 UTC 2003
On Fri, Jul 25, 2003 at 09:51:27AM -0400, Henry Spencer wrote:
> On Fri, 25 Jul 2003 ankur.j at media.mit.edu wrote:
> > I want to connect the soekris with the 12v battery of my car. I wanted to
> > know, can soekris run through the car battery when other electric appliances
> > in the car is also sharing the same battery...
> In principle, yes. In practice, you *don't* want to just hook your Soekris
> up to your car's electrical system. Car electrical systems are extremely
> noisy, and are notorious for huge voltage spikes and other problems.
> Electronic devices which are not designed for that environment will not
> last long without quite extensive power filtering.
As I was about to do this very thing, what would you suggest as an
alternative? Stepping the 12 volts down to a nice (hopefully clean) 5
volts? A capacitor in the power line to filter out the noise? Perhaps
one the the noise filter blocks like I use for my amateur radio?
Somehow, I think the cost of this project is about to increase a bit.
Thanks in advance,
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