CHAPTER 4
Getting Charged Up! Make an LED Illuminate
image
IN THIS PART OF THE BOOK, YOU’LL LEARN HOW TO build some experiments that are related to the mobile phone. Mobile phones are part of most people’s everyday life; they come in many different shapes and sizes, and it seems that everybody owns one. Before you start to build your first experiment, take a good look at a mobile phone. What do you see? What features does it have? In other words, what can this mobile phone do? Think carefully, because some of its features will not be immediately obvious.
At the very least, your mobile phone will have a keypad so that you can type in telephone numbers ...

Get Basic Electronics for Tomorrow's Inventors now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.