ماژول LED RGB چهل بیتی WS2812
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Intelligent reverse protection, power supply reverse will not damage the IC.
IC control circuit and LED point light source a common power supply.
Control circuit and RGB chip integrated in a 5050 package components, constitute a complete external control pixel.
Built-in signal shaping circuit, any pixel received after the signal waveform shaping and then output to ensure that the line waveform distortion will not be accumulated.
Built-in power-on reset and power-down reset circuit.
Each pixel of the three primary colors can be achieved 256 brightness display, complete 16777216 kinds of colors of the true color display, scanning frequency of not less than 400Hz / s.
Serial cascade interface, through a signal line to complete the data reception and decoding.
Any two-point transmission distance of no more than 5 meters without adding any circuit.
When the refresh rate of 30 frames / sec, the cascade number of not less than 1024 points.
Data transmission speed up to 800Kbps.
Light color is highly consistent, cost-effective.
Main application areas
LED full color luminous word string, LED full color module, LED full color soft light strip light, LED guardrail tube.
LED point light source, LED pixel screen, LED profiled screen, all kinds of electronic products, electrical equipment Marquee.
WS2813B is a set of control circuit and light-emitting circuit in one of the intelligent external control LED light source. Its appearance and a 5050LED lamp beads the same, each component is a pixel. The pixel contains the intelligent digital interface data latch signal shaping amplification drive circuit, also includes a high-precision internal oscillator and 12V high-voltage programmable constant current control part, effectively ensure that the pixel light color is highly consistent.
Data protocol using single-line zero code communication, pixel point after power-on reset, DIN side to accept the data transmitted from the controller, the first 24-bit data sent by the first pixel extraction, sent to the pixel internal Of the data latch, the remaining data through the internal shaping circuit after shaping the amplification through the DO port began to forward the output to the next cascade of pixels, each after a pixel transmission, the signal reduced by 24bit. The pixel adopts the automatic shaping forwarding technology, so that the number of cascades of the pixels is not limited by the signal transmission, only the limited signal transmission speed requirements.
LED with low voltage drive, environmental protection and energy saving, high brightness, scattering angle, consistency, and low power, long life and other advantages. The control circuit integrated in the LED above, the circuit becomes more simple, small size, the installation is more simple.