Chapter 2: Serial Interfaces and Applications

In this chapter, we are going to discuss the various communication interfaces available on the Pico. We are discussing them all in one place because they will come in handy in the projects we will discuss in the upcoming chapters. The topics discussed in this chapter will be useful for interfacing with sensors, driving actuators, displaying messages, and communicating with a Wi-Fi module to connect to your local Wi-Fi network to publish and retrieve data from the cloud. This chapter will also help you when it comes to communicating with cellular modules that act like peripheral devices.

If you are familiar with the topics discussed in this chapter, skip right ahead to the next chapter. If not, we recommend playing with the code samples discussed in this chapter to gain a basic understanding of the communication interfaces available on the Pico. In the last section of this chapter, we are going to discuss the setup of an ESP32 wireless...