Chapter 7. Sensors

Simply stated, a sensor is an electronic component that measures some aspect of the physical world and converts that measurement into varying electrical characteristics, namely voltage or resistance. Sensors can sense things like light, movement, temperature, and touch. They are exciting because they make the physical world perceivable by computers—even tiny computers like microcontrollers.

As you get deeper into the realm of interactivity, it’s worth considering the wide range of sensors available to you. In this chapter, you’ll take a moment to consider how you can best listen to what’s happening in, on, and around the body through technological means. You’ll encounter an assortment of body-centric sensors and look at some ...

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