What happens when someone’s personal project is turned into a startup which becomes something of a publicity darling, then collapses with very little product shipped and takes all its customers’ money ...

Drive (N * (N-1)) number of "Charlieplxed" diode matrices (e.g. LED Matrix) with N number of outputs capable of tri-state. The LED Matrix design is inspired from http ...

This projects build a LED light source for a photographic enlargers. All content is free to be used for non-commercial purposes. Any LED power setting can be used from 16 LED (small 35mm direct light ...