Re: [TenTec] Orion Question

[Rideout Family <wa6ipd@dslextreme.com>]

If you use a 12vdc relay don't forget to put a diode in series and in 
parallel to squelch the back voltage.
Art WA6IPD

Grant Youngman wrote:
> > Grant, wouldn't a simple 12vdc relay work in this case?  Why 
> > would I need a transistor?  OR is it because the logic is 
> > reversed?  (in that case, use the opposite N.O. poles)
> >     
> I think that would work just fine.  Just run +12 (or +5 or whatever) through
> a current limiting resistor in series with the relay coil and connect the
> other end of the coil to a TX OUT line.  That will energize the relay when
> the Orion goes into transmit and pulls the TX OUT line low.  And a N.O.
> contact can switch the voltage you want to control.
>
> Grant/NQ5T
>
>
>
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