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说明：  该源码实现51单片机之间符合modbus通信协议的通信(This code can achieve communications between MCS51 by modbus protocol. )

EDA课程设计抢答器的程序，将程序加入仿真电路可直接运行出结果(EDA course design responder programs, add the program simulation circuit can be run directly the results )

学习电子电路，很好的参考资料，可以学到很多东西。(Learning electronic circuits, a very good reference, you can learn a lot.)

说明：  周立功EASYarm板所带出厂程序，包含按键，LED，蜂鸣器，AD转换的代码(ZLG EASYarm board brought the factory process, including buttons, LED, buzzer, AD conversion code)

第九届飞思卡尔智能车程序 国赛第四 底层文件都是自己写的 3个ccd labview上位机(Ninth Freescale smart car race fourth country program)

可以产生幅度、频率可调的方波，频率50hz到1M(Can produce the amplitude, frequency adjustable Fang Bo, frequency of 50Hz to 1M)

显示器功能 加快程序开发初学者的进步脚步。让他们了解简单的显示程序的写法(Monitor function to accelerate the pace of progress in program development for beginners. So that they understand the simple display program wording)

旋转LED的实现,实现用单片机控制电机转速，采用无线供电方式哦(Rotate the LED, achieving MCU control motor speed, the use of wireless power supply oh)

PT2262是一款功能强大的单片机，我所上传的是芯片的资料，希望能对大家有所帮助(PT2262 is a powerful microcontroller, is the chip I have uploaded the information, hoping to be helpful)

HM20通用型压力变送器 资料很全 值得下载 (HM20 Universal Pressure Transmitter)