use PIC16F628 and U2280 Access Control Construction machine, a schematic diagram

控制ADLTC1407转换器工作，实现模数转换功能-AD LTC1407

关于CPU卡最浅显易懂的介绍资料，内容详尽，适合对CPU卡所知甚少的新手阅读。-On the CPU card of the most easy to understand introduction to the information, content, detail, suitable for CPU card little was known about the novice to read.

此程序为单片机开发过程中定时芯片ds1302的控制并用lcd显示的程序，用汇编语言编写。供参考用-procedure for microcontroller development process of regular chips ds1302 control and LCD display with the procedures in assembler language. For information

这是一个读写AD7797模数转换的程序，经过调试，可以工作，希望有人可以参考-This is a read-write AD7797 analog-digital conversion process, after debugging, you can work, hoping that someone can refer to the

交流采样的滤波资料和一些参考程序，对于做测控系统的有一定的参考意义-AC sampling filter information and some reference procedures for monitoring and control systems do have some reference value

lcd12864 显示汉字图片 反白,是一个非常好的程序,可以和大家共享,-lcd12864 display Chinese characters picture anti-white, is a very good process, and everyone can share,

利用PWM原理控制电磁阀的实例，对于这方面研究的人很有价值-Use of PWM control of solenoid valve principle examples of research in this area were of great value

sja1000驱动源代码-sja1000 driver source code

基于51单片机的1602液晶显示c语言及汇编程序-51 Based on the 1602 single-chip liquid crystal display c language and assembler

AT89C2051与上位机RS232通讯接口子程序,实现单片机与上位机的通讯-AT89C2051 and PC RS232 communication interface subprogram, the realization of SCM and PC communication