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Touch alarm circuit
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amr mohamed
Occupation:
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369
Date of Birth
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1994-09-29
Join Date
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2010-11-12
Age
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30
Subject: Touch alarm circuit
Mon 04 Apr 2011, 7:31 am
Touch alarm circuit
Description of Service
Simple electronic circuit to give voice
Warning when you touch the door is used to protect homes
Circuit diagram
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
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::
Department projects and electronic circuits
::
the security services warning
www.elect-mk.own0.com
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::
the security services warning
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