source

1. No line should exceed 80 characters. 2. Use MACROs provided in the MSP430 header file.

利用51单片机控制HC-SR04超声波测距模块，实现用其测距的功能(HC-SR04 ultrasonic ranging module 51 MCU control, with its functionality ranging)

说明：  PADS库文件,比较合适下载，分享给使用PADS的用户，我为人人，人人为我(The pad library file is suitable for downloading and sharing to users of pads. I am everyone and everyone is me.)

c++练习，用于初次学习c++的广大同学们，希望大家喜欢(c++ practice to learn c++ for the first time the majority of students, hope you like)

使用定时器TIM3输出四路的SPWM波，其中一二路、三四路波形一致，一二路与三四路波形相差180°(Timer TIM3 is used to output four SPWM waveforms, of which one, two, three and four waveforms are identical, and one, two and three and four waveforms are 180 degrees different.)

MSP430F261x基本模块实验——汇编代码(MSP430F261x basic modules experiment- assembly code)

基于STM32F407的超声波模块测距，增量式编码器（1/30减速比）实时测速，PWM输出控制直流单机，并通过OLED显示实时数据，同时也通过串口打印(Based on STM32F407 ultrasonic module ranging, incremental encoder (1/30 deceleration ratio) real-time speed measurement, PWM output control DC single machine, and display real-time data through OLED, but also through serial port printing.)

电子时钟程序，通过VC++编程，实现电子时钟程序，方便编程爱好者交流学习。(Electronic clock procedures, through VC++ programming, electronic clock procedures to facilitate the exchange of learning programming enthusiasts.)

STM32F1开发指南-库函数版本芯片手册(stm32f1 develop compss)

nuvoton M051 系列开发源码i2c 控制部份(nuvoton M051 Series Development Source i2c control part)