Chapter 4. Adding Vision to Raspberry Pi

In the previous chapter, you learned how to communicate with Raspberry Pi via voice. In this chapter, we are going to add vision with a webcam; you'll use this functionality in lots of different applications. Fortunately, adding hardware and software for vision is both easy and inexpensive.

To do this, you'll have to add a USB webcam to your system. Having the standard USB interface on your board opens a wide range of amazing possibilities. Furthermore, there are several amazing open source libraries that offer complex capabilities, which we can use in our projects without spending months coding them.

Vision will open a set of possibilities for your project. These can range from simple motion detection to ...

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