Chapter 3. Outputs
A blinking LED is just one example of an output with Galileo, and there are plenty of other types of outputs available to you. For instance, a speaker can play tones or a motor can drive the wheels of a robot. LEDs, speakers, and motors convert the electrical energy from Galileo into some other form of energy. An LED converts electrical energy into light energy. A speaker converts electrical energy into sound energy. And a motor converts electrical energy into mechanical energy.
Outputs can be used to communicate information to a user, make things move, or send signals to other devices. In this chapter, you will use Galileo’s output ...
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