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Friday, April 09, 2010

Security alarm


This is Security alarm .If somebody disconnected the wire loop The speaker will generate a sound.I have used a circuit for my land.Then when a robber enter for my land i can know it earlier.when you setup this set the wire loop at the height of 1 feet from the ground.





Note


# Build this circuit on a pcb

# use a thin coil as the wire loop

3 comments:

free download said...

joss

Unknown said...

This was so useful and informative. The article helped me to learn something new. Security Alarm In Chennai

Anonymous said...

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