Amazon.com: HJHX Ws2812b LED Matrix 16x16,256 Pixels RGB 5050SMD Full Color Individually Addressable Digital Led Array, Programmable Flexible Led Screen Panel Display Arduino, Raspberry pi for LED RGB Project : Electronics
Making an Arduino animated frame with 256 RGB Leds!
16x16 RGB LED Matrix for the Raspberry Pi - YouTube
Keyestudio LED dot matrix display module 16 * 16 unlimited cascading / 12864 compatible interfaces for arduino
First Components. 16x16 LED Matrix
16x16 LED Matrix : r/raspberry_pi
Flexible Adafruit DotStar Matrix 16x16 - 256 RGB LED Pixels : ID 2735 : $99.95 : Adafruit Industries, Unique & fun DIY electronics and kits