Build Your Own Home Security System

Do you enjoy experimenting with electronics? Are you concerned about the security and value of your property? If so, "Build Your Own Home Security System" is the book for you. It's packed with all the hands-on instruction you need to construct and install dozens of practical, inexpensive electronic security devices. For each project, you'll find a helpful schematic and a list of the circuits and components required. With Delton Horn's expert how-to guidance and clear instructions, even beginners can easily build: Burglar alarms Fire/smoke detectors and alarms Automobile alarms Electronic combination locks Flood alarms Temperature sensors Power shut-down/reset timers