https://www.adafruit.com/product/679
Diffused 5mm Slow Fade Flashing RGB LED - 10 pack [Slow fade] : Adafruit Industries, Unique & fun...
These are very interesting 5mm diffused RGB LEDs - instead of having 4 pins to control 3 LEDs, they have only two leads - power and ground. When powered, the...
flashing rgb led