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Another Project - Alarm System

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6 replies

by technogeek-1995

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NOT A COMPUTER QUESTION
I am building a single room alarm and I need 2 contact censors, a buzzer, and the main station with a switch or pass code. NO MONITORING SERVICES!!! I need to know...
1 Where to get it (Radio Shack???)
2 how to wire it so that the when the connection breaks, the alarm sounds
3 the best wiring "route" or way

THANKS in advance...

6 replies

by rob miners

This is a noisy one.

You could use the 12 volt battery that was suggested for your fireworks

12 volt car battery

1 pressure switch (like in car doors that turn the interior light on)

1 12 volt car horn

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