The RGB LED is usually an 8mm diffused type (12mm refers to the size of the mounting hole for installation). The pixels draw a maximum of 60mA per pixel at 5VDC (20mA each for red, green and blue). ..

Accent Your Stairs with Cheap LED Strips and an Arduino. Thorin Klosowski. April 16, 2012 ... The strips are mounted to the stairs and the colors are controlled by an Arduino.

[Synoptic Labs] stumbled upon an RGB light strip with individually-controllable LEDs. The strip uses 5 volts and is controlled by an HL1606. Because the strips are hard to find, this chip is mostly… ...