Automotive_burglar_alarm_for_12_volt_negative_ground_systems

Published:2009/7/17 4:49:00 Author:Jessie | From:SeekIC

Automotive burglar alarm for 12-volt negative ground systems. The entire alarm circuit (inside dashed lines) can be mounted on the SPST toggle switch. The circuit is triggered whenever any electrical device in the car is turned on. To turn off the alarm it is necessary to turn off S1 or hit the horn button. Mount S1 in the truck (courtesy General Electric Company).



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