digital

stm32输出四路pwm，能完成占空比可调，频率可变化的pwm(Stm32 four road PWM output, can finish the duty ratio is adjustable, can change the PWM frequency)

由单片机和DAC0832产生正弦波或三角波的程序。单片机和DAC0832可将频率进行分频的具体程序(Sine or triangle wave and DAC0832 procedures generated by the microcontroller. SCM and DAC0832 can divide the frequency of specific procedures)

直流斩波变化的仿真和一些参考文献 可以学习一下(The simulation of dc chopper change and some references can learn )

STM32F103驱动12864液晶程序，很适合于初学者，希望对你有用(12864 STM32F103 driver program, it is suitable for beginners, I hope useful to you)

主要是完成Listctr的封装,和对于xlistctrl 的一个实例程序 (The main package is completed Listctr)

ds1302液晶时钟液晶时钟及温度检测程序(the ds1302 LCD Clock LCD Clock and temperature testing procedures)

ks0108驱动atmea16的；用于proteus仿真使用；可以加载调试其他程序进行显示观测；(ks0108 driver atmea16 for Proteus simulation use can load debugging other programs to display observation )

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!)

说明：  单片机c语言 初学者有用 有例子哦 (SCM c language for beginners there are examples of useful oh)

本系统以单片机AT89C52为核心,以数模转换器DAC0832实现方波、正弦波、三角波、锯齿波波形的输出，实现信号发生器的简易功能。(This system with single chip microcomputer AT89C52 as the core, with digital to analog converter DAC0832 achieve square wave, sine wave, triangle wave, sawtooth wave form output, realize the simple function of the signal generator.)