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Building a Home Security System with Arduino by Jorge R. Castro

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The Graphical User Interface

In our everyday lives, we often use many applications, whether on our smartphones, tablets, or our computers at work or at home, and you will agree that almost none of us knows what is beneath the layers of GUI. Few people know the code needed to create those nice screens and interactive applications with buttons. When we want to know the weather in our city, we just look it up on our favorite weather application. We don't have to call functions or query anything any more, we just click on the icon that says Madrid or London and get the information we want.

All this has a Graphical User Interface, or a GUI, and our project will have a GUI too. We will start with something simple, and leave the bases if you want to ...

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