In my years of working with hardware entrepreneurs I’ve seen too many cases of poorly designed Printed Circuit Boards (PCB) that would never be of sufficient quality for commercial production. In some cases these boards were designed by the entrepreneur themselves, and other times they were designed by a freelance engineer. As I think many electrical engineers will agree, most engineers are never taught PCB design in school, so you need to be careful that you don’t hire an engineer lacking real-world PCB design experience. Although it really takes an expert in PCB design to do a proper full design