Telephone dial

在单片机系统中实现4*4的小键盘的扫描程序，按键输出对应信号，可以根据按键来设定输出对应高低电平-Single-chip microcomputer system in the implementation of the 4* 4 keypad scanning procedures, the corresponding button output signal can be output in accordance with the corresponding button to set the high-low

51单片机上对LCD的驱动程序，可以在点阵LCD上显示汉字。-51 MCU driver on the LCD can display Chinese characters on a dot matrix LCD.

rtl8019网卡在uclinux下的驱动程序，包括源代码和编译的2进制文件-Basis rtl8019 card in the driver, including the source code and compile two 229 documents

LT-1B msp430开发板例子程序－ADC12_08

51单片机C语言学习，C语言来编写单片机程序。-51 microcontroller C language and C language to prepare SCM procedures.

AVR驱动18B20例子 AVR驱动18B20例子-AVR-driven examples of AVR drive 18B20 example 18B20

比较详细地列出了各种现行的稳压电源，对于从事模拟开发的工程人员有很大的参考价值-a more detailed list of all the existing power supply, engaged in the development of simulation engineering staff have great reference value

本文介绍了AT89C2051单片机的性能和特点，并在分析了超声波测距原理的基本系统框图。该设计系统经校正后，其测量精度可达0.1米-This paper introduces the AT89C2051 performance and features, and the analysis of the ultrasonic distance measurement principle diagram of the basic system. The design of the system calibration, measurement accuracy of 0.1 meters

KEIL51的一元二次方程的程序-KEIL51 a square procedure

对DS18b20传感器网络编码和搜索,以及对连接线的短路和开路进行检测-right DS18b20 sensor network coding and search, and the link between the short-circuit and open circuit detection