DC5V WS2812 5050SMD 60LEDs/M 5MM Ultra-narrow Dream Color Addressable LED Strip Bar [WS2812C-RGB-5050X300W5] - $13.98 :
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LEDNexus PL9823-F5 10 x 5mm RGB LED with Built-in Controller Comparable to WS2812 B RGB LED with Built-in Controller : Amazon.com.be: Tools & Home Improvement