You bought this book to learn to program using Python and to learn about the Raspberry Pi. You also want to build some cool projects, learn how the Pi runs Linux, and learn how you can use Python to interface with the Pi and various add-ons.
Well, we’re going to get to that, but before we do I need to explain some other essential prerequisites—namely, the rules of electronics and electricity, tools, safety rules, and some how-tos. They may not be the most sexy topics, but any book that deals with building electronics projects should have at least one chapter that ...