Christmas time is a great time to obtain large numbers of LEDs very cheaply. This instructable uses 80 LEDs from an LED christmas tree light string to make the venerable 3D LED cube. In this case a 5x4x4 cube.

3D LED Charlieplex Cube from Chrismas Tree Lights – Link


  • This weekend’s project – Pocket LED Cube – Link
  • Chris Lomont’s LED cube – Link