In today’s competitive market for electronic products, life cycles are constantly shrinking. A company’s ability to quickly bring high-performance, reliable products to market is key to its competitive edge. However, many hardware engineers, especially beginners, often fall into a trap: they focus too much on circuit logic and signal integrity, overlooking the practical engineering needed to turn a design into a physical product that can be manufactured, assembled, and tested. This is the realm of PCBA Design. It is fundamentally different from PCB Design.