Beginner's Handbook of IC Projects

Beginner's Handbook of IC Projects

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But if the alarm is rigged so that it turns off whenever the door is closed again ( working along the same principle as the lights in a refrigerator), the thing is of ... The circuits in this section represent three basic kinds of alarm- triggering circuits.

Title:Beginner's Handbook of IC Projects
Author:David L. Heiserman
Publisher:Prentice Hall - 1981-01-01


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