PROFIBUS从站开发

这是用单片机实现的多功能数字钟,通过8255扩展端口,AD0809将模拟信号转换成数字信号进行处理,可以比较精确的测出电压值.-This is the MCU multifunction digital clock, through the 8255 expansion port, AD0809 a conversion of analog signals into digital signal processing, more precise measuring the voltage values.

AVR GCC编程参考手册，非常适合做开发参考-AVR GCC programming reference manual, is well suited to do the development of reference

自行车里程表，采用c语言编制，51单片机系统，能测量显示自行车的里程。-Bicycle odometer, using c language, 51 single-chip system capable of measuring the mileage of a bike show.

本程序是mc145572U接口驱动程序,有一些问题,希望大家指点.-This procedure is mc145572U interface driver has some problems, I hope everyone pointing.

单片机C语言编写的电子密码锁，可以自己设置密码-Single-chip C language electronic locks can be their own password

电动车上面的控制器原理图，NEC主控芯片，现在最流行的方案，提供给大家-Electric vehicle controller schematic diagram above, NEC host chip, is now the most popular programs available to everyone

C51的tcpip源程序 包含了TCP,IP,ARP,ICMP等协议的接口，可以方便的实现移植。开发环境为Keil C51。-tcpip programme for C51

非接触式IC卡编程样例C2-non-contact IC card Programming Example C2

SPWM输出，SVPWM输出，移相PWM输出-SPWM output SVPWM output phase shift PWM output

液晶方面的一些资料文件 希望有所帮助关于51语言-LCD some hope that help information paper on the 51 language