PCB、PCBA

Difference between PCBs and PCBAs. It describes PCBs as multilayer electronic circuit boards used for power supply and component connection in various electronic devices. It also discusses the structure and classification of PCBs, including hard PCBs, flexible PCBs, and multilayer PCBs. The article further clarifies that PCBAs are complete circuit boards with electronic components attached to a PCB. Overall, the article aims to provide a clear overview of PCBs and PCBAs in the field of engineering, especially electrical engineering.