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基于RS485的简单现场总线通信系统设计，功能如下：单发单收，在发送状态，能够连续发送从0到99的数字； 单发单收，在接收状态，能够接收数据，并在数码管上正确地显示出来； 单发多收，在AB完成的基础上，接上多个接收设备，能够正确发送和接收； (Based on a simple RS485 field bus communication system design, the following functions: single single collection, sending state, can be continuously transmitted from 0 to 99 single single collection, in the receiving state, capable of receiving data and digital tube correctly displayed single overcharged, on the basis of completion of the AB, connected to multiple receivers, can correctly send and receive )

通过单片机输入程序来对步进电机进行控制，以此实现一定功能。(Stepping motor single chip microcomputer)

DDS9850，亲测可用，有中文解释，信号发生器(DDS9850, pro-test is available, there are Chinese explanation, the signal generator)

菜单编程操作的源代码，有助于对菜单的理解。。(Menu programming operation of the source code, contribute to the understanding of the menu. .)

开关电源测试 标准 (Switching power supply testing standards)

MSP430F169单片机矩阵键盘扫描程序，用一位共阳数码管显示(MSP430F169 microcontroller matrix keyboard scanning procedures, using a common anode LED display)

课程实验的一个小程序，可统计鼠标左右键的单击次数(course of a small experimental procedures, key statistics about the mouse click frequency)

实现时间汉字滚动的程序，有了这个程序就可以方便我们更好的实现我们想要的功能(Realize the program rolling time Chinese characters, with this program can easy for us to better realize we want to function)

数码管静态显示源代码，可以直接调入工程使用(Static digital tube display the source code can be directly transferred to the engineering use)

pads 布等长线 (cloth pads and other long-term)