You can't spend even a day without electronics, can you? Electronics is everywhere, from your toothbrush to cars and in aircrafts and spaceships too. In this chapter, we will go through the fundamental concepts of electronics that will be useful while building our projects so that one day we can make our own products and amaze the world. This chapter will help you understand the concepts of electronics that can be very useful while working with the RasPi.

You might have read many electronics-related books, and they might have bored you with concepts when you really wanted to create or build projects. I believe that there must be a reason for explanations being given about electronics and its applications. Hence this chapter provides basic explanations of various terminologies in electronics and their usefulness in the projects.

Once you know about the electronics, we will walk through the communication protocols and their uses with...