One-sided PCB board: The solder joints are concentrated on one particular aspect, and components are generally inserted on the other aspect. Some products continue to have SMD components around the copper-clad aspect. Double-sided board: Both sides is often structure, and the two might have plug-in components or SMD components. The https://simonbgikk.bloggadores.com/30652784/6-layer-central-control-pcb-board-for-dummies