Drive 8 to 64 channels of WS2812/NeoPixel LEDs (240 RGB or 180 RGBW LEDs) over a UART serial port from an Arduino or other microcontroller.Designed by ElectroMage, Ships from United States of America
What is it? This is a UART serial to WS2811/WS2812/WS2813/SK6812/NeoPixel driver board. It can be used with just about any microcontroller's serial (UART) port(s), even software serial implementati...Read More…
This is a UART serial to WS2811/WS2812/WS2813/SK6812/NeoPixel driver board. It can be used with just about any microcontroller's serial (UART) port(s), even software serial implementations, and level-shifts to 5v with 100 ohm impedance matching resistors for the best signal quality. The protocol allows for up to 8 driver boards to run from the same serial line, with cuttable jumpers to set the address. Pixel data is buffered, and displayed simultaneously across all channels, and includes CRC error checking to prevent glitches.
Each channel can have its own color ordering, and can support a mix of RGB and RGBW across channels, and any mix of length, up to 240 RGB pixels or 180 RGBW pixels per channel.
Since data is buffered on this board and the protocol doesn't have any timing requirements, you can calculate pixel data on the fly and there's no need to buffer anything on your micro, freeing up memory. Up to 1920 pixels per board, and up to 8 boards means you can drive up to 15360 pixels from a single serial port using almost no memory!
The serial protocol runs at 2Mbps. This allows up to 66k pixels/sec to be drawn per serial line, about twice the speed of typical WS2812.
Power and GND connections are also available per channel, and works great for lower powered applications (up to 3 A).
Originally designed to expand output options for the Pixelblaze, this driver board can be driven by just about any micro.
This solves many issues that are tough to accomplish with existing hardware/libraries:
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