Could there be a better way? Of course there could, and [Sasa Karanovic] thought he had it all figured out with this PCB-based LED cube. At first glance, it seems to make perfect sense ...

creating an extra-thin version by recessing WS2812b NeoPixel LEDs inside a PCB. The popular WS2812B is 1.6 mm in height, which happens to be the most commonly used PCB thickness. Using EasyEDA ...

you are taught Basic of LED, Basic of PCB, LED Driver, Fitting-Testing, purchase of material, marketing, government subsidy scheme, and many other things. If you want to start this business (LED ...