8x8 64 LED Matrix WS2812 LED 5050 RGB for Arduino
Code link:
https://github.com/adafruit/adafruit_neopixel
Connection:
Download code from https://github.com/adafruit/adafruit_neopixel
and upload file Adafruit_NeoPixel-master.zip to Arduino IDE:
Sketch -Included Library-Add zip Library