Design a data collection module with serial port based on microcontroller. The thesis explains the circuit principle and program designing in detail.
设计了一个串口通讯的单片机数据采集模块，文中详细阐述了模块的电路原理和程序设计。
The design of hardware circuit is explicated and the diagram of program is offered.
详细描述了硬件电路的设计，并给出了软件程序框图。
This paper detailedly introduces the whole design scheme of the system, the circuit on interface module and 89c51, the method of the software design and program flow chart.
详细阐述了系统的总体设计方案，给出了界面模块与89c51接口电路，最后介绍了软件设计方法及程序流程图。
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