串口调试的工具，供串口初学者学习使用，可以查看串口状态-Serial debugging tool for beginners to learn to use the serial port, you can view the port status, etc.

可以虚拟出多个串口以供串口调试。破解版无时间限制-Can be a number of virtual serial port serial port for debugging. Cracked version no time limits