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The Alarm, Sensor & Security Circuit Cookbook

This text is aimed at technicians, hobbyists, and students and provides complete circuit diagrams and building instructions for a wide range of creative sleuthing applications. The designs are fully tested and proven effective in real-world alarm, sensor, and security equipment. Among the circuits highlighted are a multi-purpose high-gain amplifier, temperature and pressure sensors, vibration and pyroelectric sensors, smoke and toxic gas detectors, tachometer/speed gauges, a remote video and control system, door and window alarms, motion and impact detectors and tone signalling sensors. Computer interfacing is also covered, with circuits for joystick, trackball, mouse, RS-232 and analog-to-digital interfaces | The Alarm Sensor Security Circuit Cookbook Thomas Petruzzellis TAB Books Imprint of McGraw-Hill New York San Francisco Washington D.c. Auckland Bogota Caracas Lisbon London Madrid Mexico City Milan Montreal New Delhi San Juan Singapore Sydney Tokyo Toronto 1994 by TAB Books. TAB Books is a division of McGraw-Hill Inc. Printed in the United States of America. All rights reserved. The publisher takes no responsibility for the use of any of the materials or methods described in this book nor for the products thereof. pbk 2345678 91011 DOC DOC 9 9 8 7 6 5 he 4 5 6 7 8 9 10 1 1 12 DOC DOC 9 9 8 7 6 Library of Congress Cataloging-in-Publication Data Petruzzellis Thomas. The alarm sensor and security circuit cookbook by Thomas Petruzzellis. p. cm. Includes index. ISBN 0-8306-4314-1 ISBN 0-8306-4312-5 pbk. 1. Detectors. 2. Electricalarms. I. Title. TK7870.P397 1993 68T.2 dc20 93-27562 CIP Acquisitions editor Roland s. Phelps Editorial team Lori Flaherty Managing Editor Kenneth M. Bourne Editor Joann Woy Indexer Production team Katherine G. Brown Director Rhonda E. Baker Coding Jan L. Fisher Coding Susan E. Hansford Coding Ollie Harmon Coding Lisa M. Mellott Coding Brenda M. Plasterer Coding Rose McFarland Layout Linda L. King Proofreading Design team Jaclyn J. Boone Designer Brian Allison Associate Designer EL2 Cover design and illustration by Graphics Plus Hanover Pa. .