主从报警系统，单片机编程，是电子课程设计做的东西

在80C51上用汇编语言实现的数字钟程序，具有闹铃、秒表和设置时间等动能。-80C51 used in assembly language procedures for the realization of the digital clock with alarm, stopwatch and time settings, such as kinetic energy.

是美信公司realtime芯片ds12887操作的详细原代码

功能强大的51编程器，文件包里有PC机程序、编程程序和硬件电路。-powerful 51 programmer, a paper bag of PC and programming procedures and hardware circuit.

航天金卡的资料，全中文的。 资料名称：FM1702中文使用说明书 内容简介：FM1702/1704/1705 通用读卡机芯片

本程序是在c51的环境下CRC算法的几种方法。希望大家有参考作用。-the procedure was c51 environment CRC algorithm methods. We hope that as a useful reference.

嵌入式系统编程源代码解析光盘.iso,将文件后缀改为iso，用解压软件如winrar解压后即可-Embedded Systems Programming Source Code Analysis CD-ROM. Iso, iso file extension to. using decompression software such as winrar can be unpacked

1602LCD显示c51-1602LCD show C51

时钟芯片将给显示时间，其包括年，月，日，小时，分钟，秒。-Will show the time clock chip, which includes year, month, day, hour, minute, second.

单片机IAP编程源程序,可直接使用,适用于嵌入式系统的智能学习功能-Singlechip IAP programming source code can be used directly applicable to embedded systems intelligent learning function

STC单片机的AD功能测试。测试中通过P3口的LED指示AD值。-STC microcontroller AD functional tests. Testing of the LED through the P3 port direction AD value.