By the host computer communication module receives the order came to drive the speed of left and right wheels, allowing the head to control land.
由通讯模块接收上位机传来的命令，来驱动左右轮的速度，从而实现达到控制的目地。
Industrial personal computers (IPC) are used as the host and slave computers. RS-485 network communication is controlled by 7521 intelligent module.
采用工业PC (IPC)作为上下位机，并使用7521智能模块来控制RS- 485网络进行通信。
For the software, it mainly studies the implementation of contact-less IC card read-write course, the design of communication protocol between read-write module and host computer.
在软件方面重点研究了非接触式IC卡读写过程的实现，读写器与上位机的通讯协议设计。
For the software, it mainly studies the implementation of contact-less IC card read-write course, the design of communication protocol between read-write module and host computer.
在软件方面重点研究了非接触式IC卡读写过程的实现，读写器与上位机的通讯协议设计。
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