More than 50,000 multicolor LED lights will adorn the tree, NBC said in a statement. A Swarovski star designed by architect Daniel Libeskind, first used in 2018, is expected to top the tree ...

While there’s no PCB involved, [designer2k2] built a desktop “hollow” Christmas tree using some WS2812 RGB LEDs controlled by a microcontroller and powered by USB. The board running ...