WS2812B & Arduino Earlier we controlled LED matrixes, strips and other complex LED projects bundled with countless interconnected wires with the help of multiplexers and shift registers.

Each individual tree has three WS2812b-mini addressable RGB LEDs and the tree is controlled by an external Arduino. The first order of 10 PCBs came in, which makes a 9 member tree – next up is a ...

The WS2828B WS2812B LED strip used is technically a 5 V unit, but [pepelepoisson] found that feeding them direct from the 3.7 V cell works just fine; it’s not until the cell drops to about three ...