PCB double-sided board on both sides of the components how wiring ah
Sided wiring, double-sided placement of components, in short, double-layer CCL, are known as double-sided, wiring, the main wiring to the bottom
Top with a red line, the bottom with blue line. The bottom and top lines are connected to the vias
The general is the top cloth red line, the bottom of the cloth blue line. The middle plus the hole, and then copper, it is recommended to automatically wiring, a lot of words, then it is difficult to manually wiring, as long as the cloth after their own good changes to look good
