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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 24

Hacked Analog Clock

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Analog wall clocks normally use a quartz crystal and some electronics to generate pulses that drive a tiny actuator that ticks the clock on by a second. The movement of the minute and hour hands uses gears to make them turn at the correct rate. With a bit of care, you can hack the clock so that the pulses are generated by an Arduino (Figure 24-1).

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FIGURE 24-1 Hacked analog clock.

This idea was introduced to me by Esa Pollari. Many thanks to him for developing this excellent idea.

 

Parts

This project is compatible ...

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