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 ...

Back then, smart apps didn't exist to control the diodes, and set-up was too expensive for the average homeowner. Luckily, ...

in 2023 provided 66 percent of LED Christmas tree lights imported into the U.S. But, alongside other manufacturing hubs across Southeast Asia, Cambodia isn’t fully spared by Trump’s tariffs ...