Chapter 7
The Light Fantastic
In This Chapter
Building an illuminated button pad
Making your first PCB hack
Seeing stunning multicolor effects
Exploring alternate color models
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.
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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