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智能红外遥控学习程序，基于51单片机的学习机。(Intelligent infrared remote learning program, based on 51 SCM learning machine. )

说明：  stm32的跑马灯实验，让LED的等按顺序(Experiment of STM32 horse-running lamp)

STM32 DAC输出任意波形，可以是正弦波、锯齿波、方波(STM32 DAC arbitrary waveform output)

说明：  一款基于C51单片机和霍尔元件的金属探测器(A Metal Detector Based on C51 Single Chip Microcomputer and Hall Element)

七、 虚拟信号采集分析器 1）：利用信号发生器产生不同信号（信号的相关参数可调） 2）：在信号上叠加白噪声。 3）：对上述信号进行采样（采样频率可调） 4）：在采样的过程中利用均值滤波（每三个点取均值） 5）：显示采样后的波形，并对其进行频率分析。 6）：将采样后的波形与原波形做比较（在同一坐标系中显示） (Seven, the virtual signal acquisition Analyzer 1): different signals generated by the signal generator (signal correlation parameters adjustable) 2): white noise superimposed on the signal. 3): the said signal is sampled (sampling frequency adjustable) 4): In the process of sampling using the mean filter (averaging three points each) 5): Show the sampled waveform and its frequency analysis. 6): the sampled waveform is compared with the original waveform (shown in the same coordinate system))

单片机串口通信功能实现，在VS2010下设计了简单的界面操作，包括打开串口以及传输数据等按钮(Single-chip serial communication functions implemented in VS2010 design a simple interface operations, including opening the serial transmission of data, as well as buttons)

用TI单片机MSP430系列写的CRC检验程序，C语言(Using TI single-chip MSP430 series written by CRC testing procedures, C language)

51单片机AT89C52串行通信.上位机通过串口向单片机发数据，单片机接收后发回给上位机。(51 AT89C52 single-chip serial communication. PC send data through the serial port to the microcontroller, the microcontroller has sent back to the host computer.)

说明：  舵机转动180 直接调用已经封装号函数有dug(Direct Invocation of Steering Engine Rotation 180)

基于MSP430单片机的实用射频卡读卡电路设计(MSP430 microcontroller-based circuit design practical RF card reader)