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Arduino and LEGO Projects by Jon Lazar

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CHAPTER 2

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Using Sensors with the Android

In the last chapter, you made a machine that interacts with itself. A simple response to flipping a switch to turn itself off is a good start, but for more interactive projects, you need to start working with analog sensors that do more than just turn on and off. Sensors allow a machine to monitor the world around it and react accordingly. In this chapter, you will create a project that will be able to react to its surroundings.

When Google introduced their mobile operating system known as Android, they created a mascot to represent it. The little green robot became synonymous with the cell phones and ...

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