Addressable RGB Neopixel LED interfacing with Arduino
Full Color Rainbow Colorduino V2.0 Dot Matrix RGB LED Driver Shield + LED RGB Matrix Module Driver Board 8 for Arduino AVR: Amazon.com: Industrial & Scientific
RGB LED With Arduino Uno R3 : 7 Steps - Instructables
WS2812B 5050 RGB LED Lamp Panel Module 5V 4x4-Bit Rainbow LED for Arduino A3GS | eBay
Arduino: RGB Gradient - 101 Computing
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8x8 88 RGB LED Matrix Module Driver Board + Full Color Rainbow V2.0 Mini Dot Matrix RGB LED Driver Shield for Arduino AVR: Amazon.com: Industrial & Scientific
Creating a Rainbow on RGB LED strip with Arduino - YouTube