结构体编的菜单程序，经过调试，大家一起分享一下

C8051FXXXX的一个开发例程，对于接触C8051F12X的开发者比较有用，可以下载看一下-C8051FXXXX development of a routine, contact C8051F12X developers more useful, can be downloaded to look at

超声波测距 利用 送接受的时间 差计算得到距离-Ultrasonic Ranging acceptable use to send the time difference calculated by the distance

用AT89C2051设计的PC-AT键盘源代码-AT89C2051 design with the PC-AT keyboard source code

Chinese Font display in embedded system

步进电机正反转及调速控制--51单片机学习--c语言的-Positive inversion and Speed Control Stepper Motor

该原代码应用在cpu(st89le516AD+)上,控制GPRS模块sim100,通过检测系统状态(通电状态,运行状态,AD采样值),通过GPRS模块的短信功能,实现无线报警.-the original source applications in cpu (st89le516AD), GPRS module sim100 control through detection system state (state electricity, running AD values), GPRS module messaging functions, wireless alarm.

用于motor控制的dispic实现-for motor control to achieve dispic

AT45D041大容量IC卡 读写程序,不知现在还有没人用，以前我用过的一颗芯片。-AT45D041 large-capacity IC card reading and writing process, I wonder if there is no one now, and I used a single chip.

TPup-40A打印机及T6963驱动程序-TPup-40A printer and T6963 driver

本代码以8051单片机做的，实现对电子钟的功能。功能包括四按键对电子钟的时间及年月日的调整，6LED数码管显示时间。各部分功能以模块写出，便于以后调用，对于初学单片机的朋友们会有很大帮助。-The code to 8051 to do, to achieve the electronic clock function. Features include 4 buttons on the electronic form of time and date adjustment, 6LED digital tube display time. All parts of capabilities to the module to write, easy to call the future, for beginners SCM would be of great help to my friends.