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Arduino单片机开发笔记2-7,希望大家都看看(Arduino microcontroller development notes 2-7, we want everyone to see)

基于51单片机的dac0832设计，含proteus仿真，用keilC编译的，代码详细，含有注释，望点个赞，谢谢，头文件全，方便移植。(Dac0832 51 microcontroller-based design, with proteus simulation, using keilC compiled code in detail, contains notes, looking like a point, thank you, header files full, easy to transplant.)

YL_3串行数码管显示时钟，74HC595，8位，显示时分秒，自动计数。(YL_3 serial digital display clock, 74HC595, 8 bit display minutes and seconds, automatic counting.)

单片微型计算机简称单片机，是典型的嵌入式微控制器（Microcontroller Unit）， 单片机芯片 常用英文字母的缩写MCU表示单片机，单片机又称单片微控制器，它不是完成某一个逻辑功能的芯片，而是把一个计算机系统集成到一个芯片上。(Microcontroller chip microcomputer referred to, is a typical embedded microcontroller (Microcontroller Unit),     Single chip Commonly used letters of the abbreviation indicates MCU microcontroller, microcontroller, also known as single-chip microcontroller, it is not complete a certain logic functions of the chip, but to a computer system integrated into a single chip.)

说明：  OCM12864参考程序_ 挺好的 适合做参考程序(_ OCM12864 reference to procedures for the very good reference procedures)

说明：  简单的lcd1602显示代码，说明通俗易懂(Simple lcd1602 display code)

单片机驱动的OLED显示屏，单色绿光。C语言(Single-chip-driven OLED display, monochrome green. C language)

Elliptic Curve Diffie-Hellman Key Agreement Scheme

联合开发网 - pudn.com

超声波测距，测量精度为1cm，可以使机器人安全避障。(Ultrasonic distance measurement accuracy of 1cm, can make the robot obstacle avoidance safety.)