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Arduino and LEGO Projects by Jon Lazar

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CHAPTER 7

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Building a Light-Sensitive Box

This project, which was inspired by a jewelry box. In the previous projects, you worked with servo motors, which predominantly have a limited field of motion of 180 degrees, but what happens if you want to make something turn all the way around, like the ornamentation in a jewelry box? This project will allow you to do so based on whether the box is open or closed.

Most jewelry boxes have a button hidden somewhere that controls the motor and tells the ornament to spin, but you will take a more technological approach to this concept. Instead, you will read how much light is in the box and based on that, ...

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