CHAPTER 4Camera Controller

In this chapter, I will show you how to build a camera controller by using the RasPi with several auxiliary modules that will act as trigger sources. The controller will allow you to trigger a digital camera and/or an electronic flash if they are inherently capable of being remotely controlled. It will also enable you to take some very interesting pictures including stop-action photos.

The following three figures illustrate one simple experiment that demonstrates the controller’s stop-action effect. I made a flag object out of black and white duct tape onto which I printed the numbers 1 and 2. I attached this “flag” to a nail that I inserted into a portable drill chuck. Figure 1 shows the drill chuck with the flag ...

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