MSP430_Library_SCH_PCB

51单片机一些设计，是书里来的，还有就是stm32开发环境所需ch340(Design of 51 Single Chip Microcomputer)

c++ secure programming memory allocation dynamic memory management

两路光电开关驱动，2019电赛A组，测试程序(Two-way Photoelectric Switch Drive, Group A of 2019 Electricity Competition, Test Procedure)

说明：  8051 练习项目，包含串口、定时器、红外遥控、LCD1602、SMI串行总线读写等功能。(8051 exercise items, including serial port, timer, infrared remote control, LCD1602, SMI serial bus reading and writing functions.)

这是一个能生成C程序代码的软件，用来编写液晶屏上的内容非常方便。(This is a program that generates C source software, used to write the contents on the LCD screen is very convenient.)

MODSCAN32英文版， 很好用的。(MODSCAN English, very good use.)

基于stm32单片机电压表设计,AD检测分压电阻电压值，根据电阻分压比算出所测电压，并显示在oled液晶上(Based on the design of voltage meter of STM32 single chip computer, AD detects the voltage value of dividing resistor, calculates the measured voltage according to the ratio of dividing resistor voltage, and displays it on OLED liquid crystal.)

航模舵机测试信号发生器，周期20ms ， 占空比可调，一位数码管显示。内含proteus仿真程序。(Model aircraft servo test program, 20ms, adjustable duty cycle.)

钢轨磨耗测量系统，属非接触式测量，实现了钢轨磨耗的快速，精确测量(Rail wear measurement system is a non-contact measurement, the rail wear realize fast, accurate measurement)

说明：  基于STM32F407的LED音乐频谱，AD+DMA采集音乐信号，利用FFT运算得出音乐频谱，通过10*8的LED点阵显示的音乐频谱单片机代码(Based on the LED music spectrum of STM32F407, AD+DMA collects the music signal, obtains the music spectrum by FFT operation, and displays the music spectrum code by 10*8 LED dot matrix.)