银行磁卡系统的ABA2通信协议的C51实现代码

适合初学c55者的几个扩展定点数运算例子-suitable for the novice c55 several expansion of the fixed points Operational example

以GMS97C2051单片机为核心，采用TLC2543 12位串行A/D转换器，设计了一个串行数据采集/传输模块，给出了硬件原理图和主要源程序。-to GMS97C2051 as the core, using TLC2543 12 serial A/D converter, the design of a serial data collection/transmission module provides the hardware schematics and the main source.

1T单片机延时程序头文件代码，us，ms，s延时直接调用，无需再写-1T delay program header file code for MCU

红外线IR在单片机中的应用及原理-infrared IR in SCM Application of Principle and

51单片机写得温度控制，经调通的程序 可以给初学者作为参考-51 Single-chip temperature control written by the tune

通过对红外线工作原理的了解，进行红外线的C语言编程-SDFSFSFS

用8253-8255编写的定时响铃程序 可以定时两个时间点，很经典的程序-spent 8253-8255 prepared by the regular beep procedures regular two points in time, classic procedures

Barcode source for scaner barcode

机于s52的巡检系统的开发代码。从代码中可以看到整个系统的流程和上位机的通信协议的格式非常不错。-plane s52 of the Tour system development code. From the code, we can see the whole system and the flow of PC communications agreement very good format.

这是一篇关于keilc的调试帮助文件，该文件详细列举了调试过程中可能出现的问题，并提出了解决方法，对读者有很大的帮助．-This is an article on debugging help keilc document in detail the process of debugging problems that may arise, and put forward solutions, the reader has a great help.