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Raspberry Pi Projects For Dummies by Brock Craft, Jonathan Evans, Mike Cook

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Chapter 7

The Light Fantastic

In This Chapter

arrow Building an illuminated button pad

arrow Making your first PCB hack

arrow Seeing stunning multicolor effects

arrow Exploring alternate color models

arrow Learning how a keyboard scanning matrix works

This project is about producing a universal 4-x-4 illuminated switch matrix. Why? Because it’s a great base for so many projects with physical interfaces. This chapter shows you how to build and test it, as well as produce a light show with it. In Chapter 8, we show you how to make four games using this interface, as well as a whole host of other uses you can put this to. A photograph of the final project is shown in Figure 7-1.

image

Figure 7-1: The finished Light Fantastic.

Introducing the Light Fantastic

This interface can be described as an undedicated controller. It consists of 16 push switches, each illuminated by an RGB LED. In Chapter 6, you see how you can ...

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