Chapter 17

Putting Projects Together

IN THIS CHAPTER

Bullet Creating unique light blinkers and flashers

Bullet Rigging an alarm

Bullet Constructing an adaptable siren

Bullet Sounding off with your own amplifier

Bullet Designing a traffic signal

Bullet Making beautiful music

Getting up to speed on electronics really pays off when you get to the point where you can actually build a project or two. In this chapter, you get to play with several fun, entertaining, and educational electronics gadgets that you can build in half an hour or less. I selected the projects for their high cool factor and their simplicity. I’ve kept parts to a minimum, and the most expensive project costs under $15 or so to build.

I’ve given you some detailed procedures for the first project, so work through that one first. Then, you should be able to follow the circuit schematics and build the rest of the projects on your own. Check Chapter 11 if you ...

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