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According to Apple Inc., the RGB signal is the standard signal for most computer graphics and video files. It is named for the colors red, green and blue. These colors, in certain combinations and intensities, can create any other color. RGB also supports grayscale, ranging from black to white.
Tutorial: How to control a RGB LED using Arduino. The RGB LED is a single piece of 3 different LEDs: red, green and blue. These are the primary colors of light, and with them, you can mixture its intensity to create a illusion of any color.With an Arduino board, it's possible to control the each LED intensity.On this tutorial, we will show how to turn a RGB Led into any color. You can check the technical specs of the LED on its datasheet. Follow the pictures below to connect your Arduino to a RGB Led.We will use the pins 9, 10 and 11, which are PWM pins, to control the LED. Upload the following sketch to your board: int redpin=9; //Pin 9.ollow the pictures below to connect your Arduino to a RGB Led. We will use the pins 9, 10 and 11, which are PWM pins, to control the LED.