[simpits-tech] More on USB

[geneb]

On Fri, 19 Sep 2014, Matt Bailey wrote:

>>> help?
>>>
>> You want to cross ANY AC bus at 90 degrees and not run parallel to it.
>
> I guess I'm having trouble visualizing how I can run my low voltage
> stuff 90* to AC lines that go lengthwise through the cockpit and still
> actually get the ends of the low voltage wires up to the nose. :)
>
It's a rule for when you DO need to get close to an AC line.  You can also 
use ferrite cores to help damp out any noise from the AC lines.


> harness is still intact, pretty much every
> switch/light/buzzer/radio/gauge etc has its wiring in a huge ugly
> bundle at the rear right corner of the cockpit, or going to the
> original avionics racks in the nose. I deliberately designed my
> altimeter interface, for instance, to keep the Arduino and other
> goodies in a box separate from the altimeter. The only wires going to
> the back of the altimeter are the logic wires to my sensor and pot, the
> drive wires for the DC motor and the OFF flag, and the lighting wires
> (which may get split off if I keep this instrument on the original AC
> bus).
>
That should work out pretty well.  I can't wait to see video of it up and 
running.  I suspect a cold-start video would be an excellent start. :D

g.

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