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10 LED Projects for Geeks by John Baichtal

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4Color-Coded LED Watch by John Baichtal

In this project, you’ll make a watch that displays the time using color.

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With digital clocks found on phones, microwaves, and even coffee makers, you might think making another is redundant. On the other hand, how often have you needed to know the time while on an important phone call, on a hike, or just nowhere near your kitchen? There is still a place for the portable watch, and to modernize it I’ve come up with a solution: a custom digital timepiece featuring an intriguingly cryptic display.

With this project you’ll make your own watch using a pair of eight-dot NeoPixel LED strips to convey the time with ...

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