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Thursday, May 1, 2008

Alarm Sensor and Security circuit CookBook

The reader should therefore already be familiar with the basic techniques of designing circuits that include discrete electronic parts such as LED's and BJT's. It is a useful book of ideas if you are looking for a complete description of an alarm circuit that you can use for a larger circuit you are building. I cannot vouch for the overall accuracy of the book's circuits, but I have built about five of the circuits included in this book over the last two years, and they all worked OK without modification.

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