Technology of the day - Smart LED
This is a smart LED that lets designers express their ideas in multicolor light without any knowledge of electronics. Its onboard firmware sets the ultrabright, wide-angle RGB LED to virtually any color and can make it blink in almost any sequence. It is programmable with simple color sequencing software or a programming interface. Once programmed, it can be treated like a standard LED in every other way.
Here's a video of someone that used it in a project: