From the course: Learning Arduino: Pulse Width Modulation
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Challenge: Fading through the rainbow with PWM - Arduino Tutorial
From the course: Learning Arduino: Pulse Width Modulation
Challenge: Fading through the rainbow with PWM
Are you ready for another challenge? In this challenge, I want you to build on the activity in the last lesson, and automate the arduino to fade through the rainbow with pulse width modulation. Start by turning on the red anode, then slowly fade from red to green, green to blue, and then back around to red. This should be accomplished through programming, with no manual input necessary. If you get stuck, go back and watch the video on fading an LED with pulse width modulation. If you're looking for an additional challenge, try writing your own function to accomplish this task. This should take you around 20 minutes, but don't worry if it takes you longer. Be sure to come back and check my solution and see how I solved this problem.
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Contents
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Fading an LED with PWM with code3m 5s
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(Locked)
Calibrating an analog input to fade an LED precisely3m 35s
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(Locked)
Challenge: Programming an LED that reacts to brightness54s
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(Locked)
Solution: Programming an LED that reacts to brightness2m 45s
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Using an RGB LED3m 49s
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Mixing colors on an RGB LED using three analog inputs1m 43s
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Challenge: Fading through the rainbow with PWM51s
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(Locked)
Solution: Fading through the rainbow with PWM2m 21s
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