The ADDRESSABLE HIGH-DENSITY RGB 72-LED part from Pololu is an LED array that can be controlled to produce a level of illumination and color at a very high resolution. This LED array is an addressable LED which means it can be controlled via individually addressable LED control protocol using data wires. This LED array can be used to create a wide range of effects. It can be used in applications such as mood lighting, architectural effects, decorative or special effect lighting, as well as interactive art and games. The ADDRESSABLE HIGH-DENSITY RGB 72-LED part contains 72 surface-mount RGB LEDs arranged in a 5x5 matrix. Each LED in the array is individually addressable using the LED control protocol, providing 256 RGB levels of control with a total of 4,096 possible colors and levels of brightness. The LED array has a selectable power input voltage range of 3.3 - 5.3 V. It has a built-in prescaler for timing control, which enables smooth dimming of the LEDs and accurate color control. The part is compact, with a 3x3 mm footprint, and can be easily integrated into a wide variety of project enclosures and designs.