Arduino: Controlling the Onboard LED: Part 3

Now for part three: fading. The voltage in the Arduino is a regulated 5 or 3.3 volts. You can't change it, except with resistors. And the LED_BUILTIN doesn't have any way for a resistor to be attached. But we can use our eyes to make it look like the LED is fading. If the LED blinks very fast, we ca...
By: Techno_Bot01

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[original story: Instructables]

Instructables 22 May 14:15