You Are Here: Home » AVR ATmega Projects » LED Projects » RGB LED color mixer

RGB LED color mixer

An RGB LED is a LED which has three LED’s integrated in one packaging. These LED’s have the colors Red, Green, and Blue. The RGB LED used here is a hyperflux LED with common cathode, which can draw 20mA current. Such a LED costs about 2€. With these three colours you can mix to any colour.

RGB LED color

When using 8-bit PWM a number of 256 * 256 * 256 combinations can be made, thus the LED can show 16.777 million colours, and 256 different brightnesses. When all the three LED’s are at full brightness the color will be white. When they are all off the color will be ‘black’ in the dark ;).

RGB LED color mixer

The LED used here has a common cathode.

For more detail: RGB LED color mixer

Leave a Comment

You must be logged in to post a comment.

Read previous post:
Stepper motor driver
Stepper motor driver

With this circuit you can drive a unipolar stepper motor. It operates in full step mode. The AVR attiny2313 micro...

Scroll to top