The Twelve Volt Doctor's Project Book

The 12 Volt Doctor's Project Book goes beyond basic equipment. It covers projects you might find nice to have, but are not available for purchase. All of the projects are intended for use with 12-volt systems, or are somehow related to 12 volt battery systems and direct current. Previous experience with electrical and mechanical work is suggested. This book offers you a variety of building projects with just circuits, components and brief descriptions of how they work. Some of the projects in this book include: * Adding a third battery bank without another main switch * Making an ammmeter for high current * High and low voltage indicator lights * Various alarm systems for - Bilge water - Water in diesel fuel - Engine - Dingy * Various switches - totally hidden and security * Wind speed indicators * Motion sensors -- from book's back cover