These really cool low-cost RGB LED "pixel" drivers just came to my attention.
WorldSemi WS2801: http://www.proaudiodesignforum.com/imag ... WS2801.pdf
WorldSemi WS2811: http://www.proaudiodesignforum.com/imag ... WS2811.pdf
WorldSemi WS2812: http://www.proaudiodesignforum.com/imag ... WS2812.pdf
The WS2801 is an externally-clocked high speed RGB constant-current LED driver ideal for outdoor signage.
The WS2811 is self-clocked for lower cost low speed applications.
The WS2812 includes a WS2811 driver with three LEDs mounted.
WorldSemi WS2811 RGB LED Driver Pinout
WorldSemi WS2811 RGB LED Driver Application Circuit
Modules are available from Amazon: https://www.amazon.com/gp/product/B01DM ... =UTF8&th=1
Fast LED Code: http://fastled.io/
QX5252 Landscape LED Driver: viewtopic.php?f=12&t=654
Residential Lighting with LEDs: Retrofitting the Pink Ranch: viewtopic.php?f=11&t=408
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