In this chapter, a few more electronics components were introduced, which were used in the later part of the chapter to develop a remote-controlled robot, which can also live stream video data as well as display real-time distance to the nearest wall.

In the next chapter, an area of image processing will be introduced. The basic concept of image processing will be introduced in the first few section of the chapter. In the later part of the chapter, using image processing library a time-lapse video camera and Twitter-controlled Raspberry Pi camera module will be developed.