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The TAB Book of Arduino Projects: 36 Things to Make with Shields and Proto Shields by Simon Monk

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CHAPTER 25

World Clock

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In Chapter 24, you found out how to hack a wall clock so that you could control the speed of the hands using an Arduino. In this chapter, we will use an Arduino to control three such hacked clocks and make a world clock (Figure 25-1).

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FIGURE 25-1 World clock.

Because the Arduino will be generating the pulses for the clocks, all the clocks will stay in sync.

 

Parts

This project is compatible with both the Arduinos Uno and Leonardo. To build this project, you will need the following:

 

Construction

As you can see from ...

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