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Intel Galileo Essentials by Richard Grimmett

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Chapter 3. Adding Display Functionality

In Chapter 2, Accessing the GPIO Pins, you learned how to connect to the Galileo and its GPIO pins using jumper wires, breadboards, and components. In this chapter, you'll learn more about adding functionality by adding hardware designed to plug into the Galileo. In some of these examples, you'll use special hardware designed to be plugged into the Galileo's GPIO pins; these are called shields.

The simple serial display

In order to understand how to use a shield, let's start with one of the most basic display modules available for the Galileo, the serial LCD display. There are several different versions out there, but most provide a simple 2 x 16 character display that can be driven by the serial TX pin on ...

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