8051C thorough application of the language (book)很好的元件库

一个数据库引擎,可以创建和读写DBF格式的数据库文件-A database engine, you can create and read and write DBF database file format

在51单片机系统中实现CRC校验的方法，以及CRC校验的原理-51 single-chip microcomputer system in the realization of the CRC checksum, as well as the principles of CRC Checksum

键盘与显示，按下相应的按键，数码管就显示相应的数字-The keyboard and display, press the corresponding button, digital controls, it displays the corresponding figure

vb做得邮件发送系统，跟outlook有些相似，-vb doing e-mail system, with the outlook somewhat similar,

8051-LCD的简单应用~~

这是一个用keil-51编写的C51程序，里面含有温度控制的PID核心算法，这为温度的精密控制提供了保证，同时有液晶12864的驱动，而且有PCB电路图，供大家学习和参考。-This is a written with keil-51 C51 program, which contains the core PID temperature control algorithm, which is the precise temperature control can be ensured, while an LCD 12864 driver, but also PCB circuit, for your study and reference.

读取韦根数据转换成RS232后传给上位机的程序-Wiegand reader into RS232 data to the host computer after the procedure

iic参考程序，可以改下串口等，已经很详细了可以自己看程序，比较简单-iic reference program

是一个贴片元器件的代码对照表，方便查找。-component is a patch of code comparison table to find convenient.