PCB board design using parametric constraints

Nowadays, the factors considered in PCB board design are more and more complex, such as clock, crosstalk, impedance, detection, manufacturing process, etc.,
Design of PCB board remote Fault Diagnosis System

This paper introduces a PC-based serial port test system for PCB board remote fault diagnosis, which has the characteristics of advanced design, concise structure, powerful functions, high cost performance, and easy portability.