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Last Updated on:  06/19/2009 02:45:56 PM

Fake Car Alarm Light
designed by David A. Johnson, P.E.

Whenever the car’s ignition is turned off, this circuit activates a flashing LED, which can be positioned to appear as an active alarm system.

Click on Schematic below to view PDF version of this Circuit
Circuit Fake Car Alarm Circuit designed by Dave Johnson, P.E. (June 30, 2006)
 
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