通过加载动态链接库，实现comm组件和计算机外部设备通信。一个很好的基于图新界面学习实例。-Through the loaded dynamic-link library, and computer components to achieve comm communications peripherals. A very good learning new interface based on the example of Fig.

进行串口通讯，支持16进制字节数组的发送-Serial port communication, support for 16-hex-byte array to send