W78e58读写iButton的源程序，应用于电子门锁的完整程序

单片机并口扩展芯片8255A源码，内服仿真文件和说明文件-Single-chip parallel port expansion 8255A chip source, internal simulation files and documentation

x9313数控电位器的驱动函数，用于程控LCD对比度，-NC Potentiometers x9313 driver function for program-controlled LCD contrast,

亮灯控制程序,按下某键即执行相应程序,没按其他键,状态不变-lighting control procedures, press a button that is the implementation of the corresponding procedures, not by the other key, the status quo

基于51系列单片机的串口通信测试程序，希望对大家有帮助-Based on 51 Series Single-chip serial communications test program, and they hope to have everyone help

AVR309-USB 到 UART 协议转换程序。-AVR309-USB to UART protocol conversion process

一个单片机控制无刷电机的代码程序-a brushless motor control microcontroller code procedures

在51单片机系统中利用专用以太网控制芯片RTL8019AS实现以太网接口-51 single-chip microcomputer system in the use of a dedicated control chip RTL8019AS Ethernet Ethernet interface

本程序是用于访问空间大于 64 KB （即：地址指针数大于两个字节）外部扩展随机存取存储器的源程序文件。-the procedures for accessing space is greater than 64 KB (ie : Address indicator greater than 2 bytes) of external expansion of random access memory source files.

擦除DS12C887时钟芯片的内部数据存储空间-Erase the internal clock chip DS12C887 data storage space

C8051F020串口程序，波特率96-C8051F020 serial procedures, baud rate 9600