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This is an easy tutorial showing how you can control the brightness of an LED or adjust the speed of a DC fan using Arduino Board, a small BC547 transistor and a potentiometer. In my example the whole ...
(Said another way – any brightness will only use one of the cycle lengths). * If gamma is >2, gamma code modulation would use fewer interrupts (e.g., 256, rather than 1024 in the above example).
Arduino PWM Led Control. January 10, 2014 by T.K. Hareendran ... for demonstration, three different color LEDs (Red, Green and Blue) are used. You can control the brightness of these LEDs using ...
[Dave] needed some extra light above his desk/workbench area and decided to wire up some RGB LED light strips to brighten the place up a bit. He wasn’t content with using a standard switch to… ...