WS2812B is an intelligent externally controlled LED light source that integrates control circuit and light-emitting circuit. Its appearance is the same as a 5050LED lamp bead, and each component is a pixel. The pixel contains an intelligent digital interface data latch signal shaping amplification drive circuit, a high-precision internal oscillator and a programmable constant current control part, which effectively ensures that the color of the pixel light is highly consistent.
All the lamp beads are connected in series, and only one data pin can be used to control all the lamp beads, and the power data line is connected out, and the entire board can also be connected in series.
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