Amazon.com: BTF-LIGHTING WS2812B RGB 5050SMD Individually Addressable Digital 8x32 256 Pixels 12.5in x 3.1in LED Matrix Flexible FPCB Full Color Works with K-1000C,etc Controllers Image Video Text Display DC5V : Tools &
4x4 WS2812B Digital RGB LED Matrix Board, 30 x 30 mm