Interface common anode and common cathode RGB LEDs with Arduino

What is an RGB LED? The RGB LED is a type of LED that can produce three main colors that are RED, GREEN, and BLUE. In other words, it’s a single LED that contains three LEDs inside it. One for the RED color, one for the GREEN color, and one for the BLUE color. The

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Single resistor for a common anode or common cathode RGB LED?

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