比较齐全的VB串口软件，比较实用，基本能满足你需要的各种功能，总共一百四十多个小软件，由于太大上传不了只能分开传了。(第四份)-VB relatively complete serial software, more practical, you can meet the basic needs of a variety of functions, a total of over one hundred and forty small software, not only because the