Dmitriy Kiryashov wrote:
> Just out of curiocity how that QuickProto-01
> circuit is conditioning 12 volt automotive
> power especially pulse 5 dump ? :)

It's not terribly sophisticated, but it should be good enough for the
purpose.  The optional part in the box on page 1 of the schematic is
essentially a power zener.  It works against the 3ohm resistor R1 to limit
the voltage to a safe level for the rest of the circuit.


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