4. Hardware Basics

This chapter is a short tutorial on electronics and electricity. If you know little to nothing about electronics, you will know enough to be dangerous by the end of the chapter. It takes entire textbooks to cover some electronics-related topics. If you want to delve deeper into electronics, I encourage you to look at some other great books specifically related to that subject.

For this chapter, you will need a BeagleBone Black board (the examples are built on Rev C).

Electronics Basics: Voltage, Current, Power, and Resistance

In the previous chapter, we connected our BeagleBone Black to our computer via USB, and then through a +5 V DC power adapter. How did the board receive power over the USB connection? Simple, it is part ...

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