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 ...

[atomic14] has been doing some work in this area, and decided to explore why wedge coils perform better than round coils in PCB motor designs. [atomic14]’s designs use four-layer PCBs which ...