how can we use the RGB LED? RGB LED is a special type of LED that can emit different colors by varying the intensity of each of the red, green, and blue LEDs. They are commonly used in holiday lighting, event lighting, and even in some automobile taillights. While RGB LEDs are very popular, there are still many people who don’t know how to use them properly. In this blog post, we will explore some of the ways that you can use RGB LEDs to create beautiful and festive displays.