A Great Problem-Solver for Professionals, Students, and Experimenters! The Alarm, Sensor & Security Circuit Cookbook by Thomas Petruzzellis. Build your own detection circuits quickly and easily with this benchtop reference. Petruzzellis furnishes complete circuit designs and building instructions for dozens of low cost alarm, sensor, and security applications. All circuits are fully-tested and proven effective in real-world detection equipment. Covers computer interfacing techniques. --This text refers to an out of print or unavailable edition of this title..