S1实验板 AT89C51 12M晶振 乘法实验0FFH*03H=02FDH=756在P0口和P1口显示...

电子密码锁，报警，修改密码，输入三次错误自动结束。-Electronic password lock, alarm, change your password, enter the three errors automatically end.

自己做的程序，分享一下，希望大家多多指点，汇编语言学习的成果,包含了两个源代码，分别是（add和sub）-To do their own procedures, to share the hope that a lot of U.S. guidance, the compilation of the results of language learning, including the two source code, respectively (add and sub)

C8051 rtl的汇编驱动程序，如果能看懂会给你带来很大的好处，学习的好资料.-The driver of C8051 rtl, it will bring you very big benfit if you will read it, it is very nice.

很小的ＯＳ只有８００多Ｋ，下载来研究研究吧，-A very small OS only more than 800 K, download it to study the study,

32-битная COM-программа, модель памяти tiny (один сегмент 64 Кб)

TLV2544/48 Interface routine

智能小车的汇编程序，可以作为参考使用 2003年全国大学生电子设计竞赛试题 简易智能电动车（E题）-Smart car of the compilation process can be used as a reference in 2003 National Undergraduate Electronic Design Contest mini-mental test of electric vehicles (E title)

串口调试程序很划算哦的 杜可风上的饭-Serial debugger

五个按键：关机off键，开机on键，五分钟定时键，十分钟定时键，二十分钟定时键，按相应的按键实现相应的功能，输出4HZ的方波-5 buttons: off off key, turn on key, five minutes from time to time key, 10 minutes from time to time key, 20 minutes from time to time, press the corresponding button to achieve the corresponding functions of the square wave output of 4HZ

PView CE from Microsoft Corporation