Electronics from the Ground Up: Learn by Hacking, Designing, and Inventing

CHAPTER 17

Hacking, Inventing, and Designing

In the context of this book, the term hacking will be defined as modifications or investigations of hardware circuits and systems. For example, an electronic device is taken apart for investigation. The parts revealed within the device can save time in finding the right components for making other types of circuits. Throughout the book so far we have shown examples of hacks, such as taking apart a AA cell to make a flashlight or using a power rectifier (1N5400 series) as a varactor tuning diode. In this chapter, we will look at tearing apart a battery tester and modifying it for something else.

We will ...