Chapter 12
Acquiring Additional Parts
IN THIS CHAPTER
Choosing the perfect type of wire
Powering up with batteries and solar cells
Controlling connections with switches
Triggering circuits with sensors
Turning electricity into light, sound, and motion
Although the individual components and integrated circuits discussed in Chapters 4 through 11 form the A-team when it comes to shaping the flow of electrons in electronic circuits, there are a bunch of other contributing parts that the A-team relies on to help get the job done.
Some of these other parts — such as wires, connectors, and batteries — are essential ingredients in any electronic circuit. After all, you’d be hard-pressed to build an electronic circuit without wires to connect things or a source of power to make things run. As for the other parts I discuss in this chapter, you may use them only now and then for certain circuits. For example, when you need to make some noise, a buzzer sure comes in handy — but you may not want ...
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