[aprssig] info for TM-D710E in car
rtg at aapsc.com
Wed Jan 23 14:09:18 CST 2008
On Wed, 23 Jan 2008, Curt, WE7U wrote:
> The solenoid would have a delayed kick-in for the period when
> starting the engine. Have it kick in after stable charge voltage is
> achieved. Both batteries would get the full charge voltage that
> way, no diode drop.
It looks like you've just written the design spec for the APO4! Two
relays, one with a zero timeout, and one with the selectable timeout. Use
the same PIC and voltage sense circuitry to drive both logic loops.
"Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."
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