SPCOMM 串口通讯控件，实现串口通讯功能，是初学者不错的学习实例-SPCOMM serial communication control, serial communication function, is good for beginners learning examples

串口调试助手源程序+有注释,通过com控件实现串口收发数据，保护字符和hex转换-Serial debugging assistant source+ notes, through the com control serial transceiver data, the protection of characters and hex conversion