A方向和B方向各设红（R）、黄（Y）、绿（G）和左拐（L）4盏灯，4种灯按合理的顺序亮灭，并将时间以倒计时的形式显示出来。同时要设置两个方向的紧急通道模式，当某...

凌阳IDE中写的一个LED键盘模组制程序，改一下自己的IO代码 直接编译就可以使用了-Sunplus IDE write a keyboard LED module system procedures, change your own direct IO code compiler can use the

STC单片机IO口模拟RS232测试程序,Keil Cx51应用开发技术中的程序主要的功能是在利用串口调试工具发送一个8bit的数据，而后单片机接收后把这个数据发送给模拟串口-STC Single-chip analog IO port RS232 test procedures, Keil Cx51 technology application development process is essentially the function is in the use of serial debug tools send an 8bit data, and then after the single-chip receive the data sent to the simulation of serial

基于C51开发的 LCD+视频+代码+超强功能+电路图.-C51-based development LCD+ Video+ Code+ Superacid functional+ Circuit.

通信方式是485方式。通过485来控制一组灯的开关。-485 are way communication. Through 485 to control a group of light switches.

：介绍一种无人值守的停车场管理系统的设计。该系统前端主要由GsM 短信模块TC35i和AVR 单片机At― megal6组成，安装在停车场的每个进出口，通过接收车主的手机短信控制进出口道闸的开启并由短信扣取停车费用，各进出 口电路都与监控中心计算机连接。-: A unmanned car park management system design. The system front-end GsM messages by AVR module TC35i and At-megal6 composed of single-chip installed in the parking lot of each import or export through SMS to receive the owner to control the import and export of道闸open parking fees deducted by SMS , the import and export of circuits are connected with the monitoring center computer.

max187的读取操作 用1602来显示！-max187 with 1602 of the read operation to display!

本程序的功能是在51单片机上实现51tiny嵌入式操作系统编程-this program is to tell how to use 51tiny embedded system to program

瑞萨7709系列高档单片机串口通信的工程文件，实现简单的单片机与PC之间的串口通信-Renesas 7709 series high-end single-chip serial communication engineering documents, to achieve a simple and single-chip serial communication between PC

常用pcb库文件，方便进行电路开发，protel99格式的-Pcb library file used to facilitate the development circuit, protel99 format