Set of 4 rings with respectively 8, 12, 16 and 24 WS2812 5050 RGB LEDs. The LEDs can be controlled individually (on/off, color and brightness) with only 2 wires from e.g. an Arduino. See: https://github.com/FastLED/FastLED https://www.tweaking4all.nl/hardware/arduino/arduino-ws2812-led/
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