There are different kinds of SMD led it very suitable for request, it called individually addressable SMD led, ( a typical example is SK6812 or WS2812B). When individually addressable SMD led, built-in iC SMD LED was born with can show a lot of color, can adjust 256 gray level
Introduce of SK6812
SK6812 is a smart LED control circuit and light emitting circuit in one controlled LED source, which has the shape of a 5050 LED chip. Each lighting element is a pixel, and the intensities of the pixels are contained within the intelligent digital interface input. The output is driven by patented PWM technology, which effectively guarantees high consistency of the color of the pixels. The control circuit consists of a signal shaping amplification circuit, a built-in constant current circuit, and a high precision RC oscillatorOne SMD led have three light chip, it is R, G, B, and have a control IC, the IC in the market usually is ws2812b, sk6812, apa102,sm16703, of which WS2812B and sk6812 was very fast moving IC.