and decided to explore why wedge coils perform better than round coils in PCB motor designs. [atomic14]’s designs use four-layer PCBs which allow for more magnetic strength out of the coils made ...

[Colton Baldridge] has created the OS3M Mouse — an open source alternative using PCB coils and 3D printed flexures. The primary challenges in creating a 6DOF input device, similar to the ...