[OZAPRS] VK2 APRS 'New n-N Paradigm'

[Dave Ingram]

Shaun Pitcher wrote:
 > And thirdly, has anyone done anything tricky to allow your APRS to turn
> off in their car after set periods?  i.e. The system waits for 3 min or
so 
> after the ignition is turned off before shutting itself down.  In this
way 
> the final position of the vehicle is captured and the battery is not
flat 
> in the morning.

How about a 'turbo timer'? These are designed to let an turbo charged
engine
run at idle for a few minutes to allow the turbo to cool down before
stopping.
 A simple 555 based circuit (as suggested by others) would also work, but
would need to be robust enough for mobile work.


Dave.
-- 
David Ingram (VK4TDI)
Real email: dave at ingramtech dot com
Brisbane, Queensland, Australia
http://www.ingramtech.com/
MGRS: 56J MQ 991583    Maidenhead Grid Square: QG62lm
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