C H A P T E R  8

Example Projects

Making an LED blink is a good first step, but of what other use is it? Specifically, is there any nontrivial application for this interesting technology? Let's look at one particular example: LED lighting.

Here in the first decades of the twenty-first century, LEDs are taking tremendous strides in efficiency, reliability, and cost-effectiveness. They still lag a bit behind some older lighting technologies, but today it's not entirely far-fetched to start experimenting with LEDs for the purposes of illumination, and not only as point-source indicators.

Blinking the house lights on for a second and then off for a second runs out of novelty quickly. By blinking them very quickly and adjusting the duty cycle of ...

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