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Fake Car Alarm Circuit

2016-02-21 16:31  
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This simple fake car alarm or alarm decoy circuit device will simulate the presence of a burglar alarm in automobiles or homes. It has a few components, uses LM3909 and is easy to build. Mount R1 where daylight can fall on it. You may change the capacitor value for different flashing rates.
During darkness, LED1 flashes, making potential intruders think an alarm system is installed.

Fake Car Alarm (Decoy) Circuit Diagram

fake car alarm circuit diagram


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