Using the Neomatrix library, constructed a 8x8 LED matrix Christmas ornament, that scrolls through some of my favorite Pokemon from Gen 1.
Based on christmas ornament repo: https://github.com/pAIgn10/christmasTree
YouTube: https://www.youtube.com/watch?v=X-8ftPE29hA&feature=youtu.be
You really just need 5V and GND with the Arduino, and pick your Digital pin of choice for the Data IN on the matrix. I chose pin 3 for my code.