Thomas Petruzzellis

Tom Petruzzellis is an electronics engineer with 30 years’ experience currently working with the geophysical field equipment department at the State University of New York—Binghamton. He is also an instructor at Binghamton. He has written extensively for industry publications, including Electronics Now, Modern Electronics, QST, Microcomputer Journal, and Nuts & Volts, and is the author of four earlier books: Build Your Own Electronics Workshop; STAMP 2 Communications and Control Projects; Optoelectronics, Fiber Optics, and Laser Cookbook; and Alarm, Sensor, and Security Circuit Cookbook, all from McGraw-Hill. Mr. Petruzzellis lives in Vestal, New York.