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stm32完整的工程模板,包括所有的固件库函数以及文件,适合新手学习(STM32 complete engineering template, including all firmware library functions and files, suitable for novice learning)

51单片机测频计 可测1M赫兹一下的方波 有很多不恰当的地方 往海涵 自己敲的代码 新手。。。(The 51 MCU measured frequency meter)

对矩阵键盘的程序编写，详细地讲述了如何扫描键盘的输入！(The matrix keyboard programming, detailed tells the story of how to scan the keyboard input!)

STM32固件库版本STM32FWLib(STM32f10xFWLib )

说明：  ELM327协议解析说明手册，做OBD开发必要手册(ELM327 protocol interpretation manual)

说明：  单片机课程设计 利用80c51 TLC549 四位数码管设计的5V数字电压表(TLC549 5V Digital Voltmeter)

comsol仿真光学压力传感器，仿真压力对于光学的影响，用来仿真压力改变的情况下，光波导中模场的变化，里面有comsol的仿真程序，并保存在其中。(Case comsol optical pressure sensor simulation, simulation of optical impact pressure, to simulate the pressure change, the change in the optical waveguide mode field, which has comsol simulation program, and stored therein.)

实现了UART的底层协议，加入了控制器，其波特率可以根据使用进行调整；发送模块、接收模块相互独立，互不影响。(Realization of the underlying protocol UART, joined the controller baud rate can be adjusted according to use transmission module, receiver module are independent of each other.)

BF51实验板CAN通信器件SJA1000驱动代码(BF51 experimental board SJA1000 CAN communication device driver code)

利用可编程计数/定时器8253设计一个应用于生产流水线的自动计数系统。通过具体阐述8253的工作原理，系统的软、硬件设计原理以实现系统所需定时、计数、中断等功能，并驱动扬声器发出所需频率的声音。(Using the programmable counts/timer 8253 design a applied to production line of automatic counting systems. Through the concrete 8253 working principle, hardware and software of the system design principle to achieve system, such as timing, counting, and drive a loudspeaker functions required sounds.)