DIY GUY Chris produced a tiny LED cube that he says is the world’s smallest

DIY GUY Chris produced a tiny LED cube that he says is the world’s smallest. As is so often the way, the build relies on tiny WS2812B-compatible LEDs in a 1 mm x 1 mm form factor. They’re mounted on a series of teeny interlocking PCBs that come together to build a cube that’s just 8 cubic centimeters in volume. Power is courtesy of a small lithium-ion cell that lives inside the cube.