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my solution for some dynamic algothrimth

正点原子STM32F103精英板蜂鸣器例程(Punctual Atom STM32F103 Elite Plate Buzzer Routine)

stm32制作简易信号源，产生方波三角波和正弦波(STM32 makes simple signal source to produce square wave triangle wave and sine wave)

振幅调制,角度调制，频率调制等几个源程序，模拟通信系统(Amplitude modulation, angle modulation, frequency modulation, such as source code, analog communication systems)

设计一个以AT89S51单片机为核心的数字电子钟控制器，实现电子钟的时间、日期交替显示、闹钟功能，并可通过按钮开关或键盘切换显示内容、调整参数、设置闹钟，在单片机实验板上模拟调试实现控制器的功能。(To design a digital electronic clock with AT89S51 as the core controller, realize electronic clock time, date, alternate display, alarm clock function, and can through the button or keyboard switch display content, adjust parameters, set the alarm clock, on the single chip microcomputer experiment board simulation debugging, we can realize the function of the controller.)

说明：  中移物联M5310A的基于C的软件代码，对学习NB-IOT的使用有较大帮助(The C-based software code of China Mobile IOT m5310a is helpful for learning the use of nb-iot)

在单片机开发板上可实现的游戏——俄罗斯方块的C源程序(Microcontroller development board can achieve in a game- Tetris C source)

可以实现平衡小车的位置闭环控制，但是平衡时间不久，需要加入速度环控制(Closed-loop control of the position of the balancing car can be realized, but the speed loop control is needed soon after the balancing time.)

使用MSP430及ccs平台编写的温度采样(Temperature sampling)

STM32F103对SD卡进行读写、创建文件的程序,硬件驱动方式为SDIO(STM32F103 program for the SD card reading and writing, creating a file, the hardware driver is SDIO)