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PCB is mainly composed of pad, through hole, mounting hole, wire, component, connector, filling

Faced with the increasingly high integration of hardware platforms and more and more complex electronic systems, the PCB layout should have a modular thinking, which requires the use of modularity in the design of hardware schematics and PCB wiring. , Structured design method. As a hardware engineer, on the premise of understanding the overall architecture of the system, first of all, we should consciously merge modular design ideas in the schematic diagram and PCB wiring design, combined with the actual situation of the PCB, plan the basic idea of PCB layout.

Definition: An integrated circuit chip is a small, thin silicon-based material that integrates electronic components such as transistors, resistors, capacitors, etc. It is a fundamental component of electronic devices.

In the production of electronic products, there will be a production process of printed circuit board. Printed circuit boards are used in electronic products in all industries. It is the carrier of electronic schematic diagram that can realize the design function and turn the design into physical products

The term "plug hole" is not a new term for the printed circuit board industry.

An Integrated Circuit (IC), also commonly known as a microchip or chip, is a miniaturized electronic circuit that consists of multiple interconnected semiconductor devices, such as transistors, diodes, resistors, and capacitors, fabricated on a single semiconductor substrate, usually made of silicon. The components on an integrated circuit are designed to perform specific electronic functions, and the entire circuit is manufactured as a single unit.