Circuitbuilding Do-It-Yourself For Dummies by H. Ward Silver

Have you ever wanted to build your own electronic device? Put together a thermostat or an in-line fuse, or repair a microphone cable? Then the Circuitbuilding Do-It-Yourself For Dummies book is for you! Inside you'll find the tools and techniques you need to build circuits, with illustrated, step-by-step directions to help accomplish tasks and complete projects.
As you accomplish the tasks throughout the book, you'll construct many projects while learning the key circuitbuilding principles and techniques. Find out about measuring and testing, maintenance and troubleshooting, cables, connectors, how to test your stuff, and more

Things you need to know
The tools you need and how to use them
How to make sense of schematics and printed circuit boards
Basic techniques for creating any circuit
How to make and repair cables and connectors
Testing and maintenance procedures