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Touch Sensitive Alarm Circuit Diagram


Description

                Circuit showing a Touch Sensitive Alarm .Here i have used bc 548 transistor for switching and bc 107 for sound generation
.You need a power supply

Click here to view the power supply circuit diagram

Components Required

 Resistor

            680R ,100 K

 Transistor

             BC 548, BC 107 - 2

Loud Speaker

Copper plate
Source by : http://www.electronics-circuits.in/2012/03/touch-sensitive-alarm-circuit-diagram.html#more