Chapter 7. Interfacing with the BeagleBone
In the last few chapters, we mostly looked at the software aspects. While the BBB can do a lot by itself, it can do a lot more when connected to other hardware. This chapter will focus on general interfacing of the BeagleBone on a low level. In the next chapter, we will look at standard expansion options on a higher level.
In this chapter, we will cover the following topics:
- Electrical engineering in a nutshell
- BeagleBone voltages
- Expansion headers
- Transistors
- LEDs, relays, and switches
- I2C/SPI
- Hidden gotchas
