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很好的单片机学习资料，c语言开发，值得去参考学习(it is nice to have it to learn mcu)

51单片机18b20采集温度，串口打印显示温度值，(51 single chip computer 18B20 collects temperature, and serial port prints and displays temperature value.)

波形发生器，无线接收，机械手，马达速度控制，计时器等例程，初学者的好帮手(Waveform generator, wireless receiver, robot, motor speed control, timer routines, good helper for beginners)

c8051f330与ds1302最经典的相连方式,里面有详细的说明..很不错的.(c8051f330 with ds1302 connected to the most classic approach, which is described in detail .. very good.)

WK2124 SPI C51 测 试 程 序(WK2124 SPI C51 C test demo)

捷联惯导算法及车载组合导航系统研究，为一篇博士论文的仿真程序。对于学习捷联惯导来说非常有帮助。希望你能喜欢。(请解压缩后用Matlab打开)(Research on strapdown inertial navigation algorithm and vehicle integrated navigation system, which is a simulation program for a doctoral dissertation. It is very helpful for the study of strapdown inertial navigation system. I hope you like it. (please open the Matlab after decompression))

实时时钟芯片DS1305用AVR90usb1287显示读秒的测试程序，对初学单片机的接触实时时钟的很有帮助(The test program for real-time clock DS1305 with AVR at90usb1287, very helpful for learner of AVR microcontroller )

说明：  通过四个半加器的互联，来实现四位加法器的电路结构(Through the interconnection of four and a half adder to achieve the four adder circuit)

大多数自行车速度表工作通过使用霍尔效应传感器固定在自行车前叉。磁铁是附加到前轮上的辐条之一,它将与霍尔效应开关一次革命的车轮。速度计监测传感器计数轮革命。如果知道车轮的直径,距离可以很容易地计算如果你知道有多少革命的车轮。此外,如果时间完成革命,平均速度也可以计算出来。 对于这个问题,您将编写一个程序来确定总距离(英里)和平均速度(英里每小时)考虑到车轮直径,革命的数量和总时间的旅行。你可以假定前轮从未离开地面,并没有下滑或打滑。(Most bicycle speedometers work by using a Hall Effect sensor fastened to the front fork of the bicycle. A magnet is attached to one of the spokes on the front wheel so that it will line up with the Hall Effect switch once per revolution of the wheel. The speedometer monitors the sensor to count wheel revolutions. If the diameter of the wheel is known, the distance traveled can be easily be calculated if you know how many revolutions the wheel has made. In addition, if the time it takes to complete the revolutions is known, the average speed can also be calculated. For this problem, you will write a program to determine the total distance traveled (in miles) and the average speed (in Miles Per Hour) given the wheel diameter, the number of revolutions and the total time of the trip. You can assume that the front wheel never leaves the ground, and there is no slipping or skidding.)

本人所买单片机配套赠送的100多个程序源码，都是c语言编写。(I have bought more than 100 single-chip matching gift program source code, are the c language.)