The World’s Smallest 4x4x4 RGB LED Cube

https://www.electronics-lab.com/the-worlds-smallest-4x4x4-rgb-led-cube/

HariFun @ instructables.com has build the smallest 4x4x4 RGB LED cude which is less than 1 square inch in dimensions and uses 64 SMD RGB LEDs. The guide goes through the assembly and programming of the cude using an Arduino board. The World’s Smallest 4x4x4 RGB LED Cube – [Link]