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amr mohamed
 
 
amr mohamed


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Age : 29

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PostSubject: Touch alarm circuit    Touch alarm circuit I_icon_minitimeMon 04 Apr 2011, 7:31 am

Touch alarm circuit


Touch alarm circuit Door_n10

Description of Service

Simple electronic circuit to give voice
Warning when you touch the door is used to protect homes


Circuit diagram

Touch alarm circuit Touch_10

Elements
Service

R1 = 100K
D1 = 1N4004
R2 = 4K7
C1 = 47μF/16V
R3 = 10M
IC1 = 555 Timer
P1 = 100K
Q1 = 2N3904, 2N2222

Or any transistor with the same specifications

cheers

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