串口RS232通信功能，自动获取电脑上的串口，可以通过下拉菜单选择配置通信信息。窗体具有自动缩放功能。可以进行字符串和16进制字符通讯。-RS232 serial communication function, automatic access to the serial port on the computer, you can choose to configure the communication information through the drop-down menu. Form