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Door Knob Touch Alarm

Posted by on Aug - 10 - 2009

This is door knob touch alarm for your home security purpose. The alarm will be activated when someone touch the metal door knod. This circuit won’t work on full metal door.

Door Knob Touch Alarm circuit

Download the schematic drawing

Categories: Alarm, Security
Tags: alarm circuit,  door alarm,  door knob alarm circuit,  touch alarm,  touch alarm circuit,  touch alarm circuit diagram,  touch sensitive alarm circuit, 

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