PCB design is no doubt significant part for creating a PCB board, and also the most difficult process according to some posts in the PCB design forums. Even so, there are some electronics hobbyists and engineers loving doing the PCB designing work by themselves instead of finding a online PCB design service. So if you are one of them, you are gonna have to pay much more attention to these "pitfalls". 1. Unclear specification of processing layer The design of single-sided board should be processed in the top layer. But it could be processed in the front and back sides if without any specification, the board made is likely not to be good for components soldering.

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