China Welcomes the Olympics countdown clock, the passage of this design, you can...

移植好的系统，通过调试－－－－给需要者-Transplantation good system, through the debugger to those who need it----

两颗51单片机通过串口通信的代码,独有的仲裁机制使得任一颗单片机都能成为主机.-2 51 Single-chip serial communication through the code, unique to the arbitration mechanism allows any host can become a single-chip microcomputer.

51的参考程序，针对初学者参考使用，了解51很有帮助-51, reference procedures, reference for beginners to use, very helpful to understand 51

c8051f120电机PCA0测速及PWM调速.rar一个比较有趣的程序,PWM技术很时髦.-c8051f120 Motor and PWM Speed PCA0 velocimetry. rar a more interesting program, PWM technology is very fashionable.

AVR单片机开发的AT24C02的I2C实验-AT24C02 single-chip AVR development of I2C experiment

MSP430系列单片机适用小程序，请勿用于商业用途，仅供学习参考之用。-MSP430 MCU small application procedures, please do not be used for commercial purposes, only to learn reference.

本程序主要通过外部中断INT0及3.3端口读取PS2键盘值并通过LCD1602显示，键扫描码的解码通过数组方式解码，程序的解码功能主要针对数字及大小写字母和常用标点符号 硬件描述：PS2键盘的时钟线（clk）接89S51的INT0（P3.2）,数据线data接（P3.3） LCD的控制端口分别为： RS = P2^7，RW = P2^6，EP = P2^5，数据端口为P0，液晶显示偏压VL必须接 -This procedure mainly through external interrupt INT0 and 3.3 read PS2 keyboard port value through LCD1602 display, key scan code decoder way through an array of decoding, the procedure for decoding function of the major figures and upper and lower case letters and punctuation marks commonly used hardware description: PS2 keyboard clock line (clk) then 89S51 the INT0 (P3.2), data lines data access (P3.3) LCD control port, respectively: RS = P2 ^ 7, RW = P2 ^ 6, EP = P2 ^ 5, data ports for the P0, LCD bias VL must be received

Proteus仿真实例，在Proteus下仿真中断，非常不错，值得下载。-Proteus simulation example, under the simulation in Proteus interruption, very good, it is worth downloading.

关于智能小车的源程序，小车可以自动避障，自动检测黑线刹车-Smart car on the source code, cars can automatically avoid obstacles, automatically detects black line braking

该源代码是用于串口通讯的，本着资源共享的精神，发-The source code is used for serial communications, in line with the spirit of sharing resources, the