arith

stm32实现pwm波形输出，脉冲宽度调制(PWM),STM32 F1 TIM4 4通道PWM同时输出(STM32 realizes PWM waveform output, pulse width modulation (PWM), STM32 F1 TIM4 4 channel PWM output at the same time)

代码是用来实现向其他应用程序（记事本）中发送键盘消息的源码,一般，演示程序，很好用，罕见(The code is used to realize the source of keyboard messages sent to other applications (Notepad), generally, the demonstration program, well used, rare)

说明：  给初学c8051f410的小白提供的常用外设模块源码，串口，adc采集等等。(The common peripheral module source code, serial port, ADC collection and so on provided by Xiaobai, who is a beginner of C8051F410.)

使用STM32驱动AD9954 DDS模块(Driving the AD9954 DDS Module with STM32)

说明：  对比度调节实验 背光调节实验 数字时钟实验 模拟时钟实验(Contrast adjustment experiment Backlight adjustment experiment Digital clock experiment Analog clock experiment)

基于ok6410开发板的，led和蜂鸣器的，裸机测试程序。(Based on ok6410 development board, led and buzzer, bare metal test program.)

说明：  流水灯 依次点亮 keil建立工程(Pipeline lamp kei Establishment Project)

在51单片机中用C语言描述IIC总线的功能，以LED发光二极管表现(51 single-chip using C language to describe the functions of the IIC bus, the LED light-emitting diode performance)

对舵机的调试功能，通过多个舵机完成整个机器人的拼凑，进而完成机器人跳舞的任务。(The debugging function of the steering gear completes the assembly of the whole robot through multiple steering gear, and then completes the task of robot dancing.)

枚举系统通信协议源码，例程程序调用API函数枚举系统通信协议。(Enumeration system communication protocol source code, the program calls API function to enumerate routine system communication protocol .)