CHAPTER 10
LEDs
In this chapter, you’re going to learn about LEDs. You’ll see how to select them, test them, and why no self-respecting robot would reject them.
Light Emitting Diodes (LEDs) are modern miracles. They’re long lasting, impact resistant, inexpensive, cool to the touch, lightweight, and come in a wide variety of colors and sizes. LEDs are perfectly suited for battery-powered devices due to their low-voltage and low-current requirements.
When pronouncing “LED,” speak the letters individually, like “el,” “eee,” “dee.” Don’t say it like a word, such as “led.”
Learning About LED Attributes
Because of their usefulness, LEDs are available ...
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