手机串口通讯程序，使用 AT 指令，可以同时控制多机-phone serial communication, the use of the AT command can control many machines

网络通讯,多机通讯测试程序,适合初级程序员-network communications, multi-machine communications test procedure for junior programmers

一个多线程的VC++串口通讯实例，选择本机可用的串口，可同进打开多个可用的串口，还可以设置数据位、停止位、校验、波特率，往指定端口发送接收数据等。VC6.0编译通过。-More than one thread of the VC++ Serial Communication example, select the serial port of the machine can be used to open the same number into the serial port availabl