How Analog Video Works
Before you create your own video signals, it helps to understand how analog TV systems work in general. If you’re impatient, you can skip the theory and jump straight to Connecting the Arduino to Your TV Set.
First of all, you should note that analog video is completely different from digital video in most regards. In this chapter, we’ll only talk about analog video signals that you can feed to your TV set’s composite input.
You might remember the good old days when TV sets were huge, heavy boxes with ridiculously tiny screens. These boxes had to be so big because they contained a small electron cannon that produced images by firing electrons to the screen. The cannon drew an image line by line—that is, it started at ...
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