Profibus-DP总线停止源于西门子

基于MCS―51系列单片机的按键程序，包括扫键，按键算法等一系例思想和代码。-Based on MCS-51 series single-chip key procedures, including the sweep key, key algorithm, such as Example 1 Department of ideas and code.

使用80C51单片机与PC机进行通信的源程序，能够使用串口线实现电脑控制单片机外围设备-80C51 Microcontroller and PC use to communicate the source machine, to use computer-controlled serial lines to achieve single-chip peripherals

AVR_ISP: AVR单片机的在线编程原理图及印制板图-AVR_ISP : AVR online programming schematics and PCB plans

三星单片机57C21516-Samsung SCM 57C21516

12864+ds1302 的万年历，LCD是带中文字库的，串行-12864+ Ds1302 the perpetual calendar, LCD is intended to bring the Chinese font, serial

C8051F020单片机AD转换程序，包括了LCD的显示等功能。-C8051F020 single-chip AD conversion process, including the LCD display and other functions.

学习51的要关注哦,是STC的烧录软件,方便51单片机学习,通过串口就可一烧写程序,减少开发费用,-learning the concern Oh, STC is the replication software for 51 MCU study, through a serial port can be burning, reduce development costs,

ISD2560发音程序，经测试比较完全。可实现录放音功能。-ISD2560 pronunciation procedures, the comparison is totally tested. Music playback function can be realized.

智能门禁系统采用凌阳十六位单片机作为系统控制核心，利用其强大的语音识别功能，不仅实现了语音播放功能，完成了语音提示的要求，而且实现了语音控制门禁系统；利用其内置的Flash闪存，实现了密码的断电保护。除此而外，在键盘输入方面，强大的功能选择键满足了系统的要求；16*2液晶显示器的选择使操作要求清晰明了。此套智能门禁系统强烈体现了其人性化的一面-Intelligent access control system uses the Sunplus 16 single-chip system control as the core, to use its powerful voice recognition features, not only realize the voice playback, the voice prompts to complete the requirements, but also realize the voice control of access control systems the use of its Purchase of Flash memory, realize the power to protect your password. Furthermore, in keyboard input, the choice of powerful features to meet key requirements of the system 16* 2 LCD display options so that operating requirements clear. This set of intelligent access control system strongly reflects its human side

一个电子产品开发时的部分c代码A!绝对能用!-When an electronic product development part of c code A! Absolutely can!