KEIL软件是目前最流行开发MCS-51系列单片机的软件，它提供了包括C编译、宏汇编、连接器、库管理和一个功能强大的仿真调试器。-KEIL software development is the most popular MCS-51 series single-chip software, which provides, including C compiler, macro assembler, connectors, database management and a powerful simulation debugger.

介绍了使用CS5520进行mV信号采集的源程序-Introduced mV signal acquisition using the CS5520 to the source

周立功DP51+试验板程序-weeks meritorious DP51 plate test procedures

msp320F247单片机的AD采样及液晶1602显示-msp320F247 SCM AD sampling and liquid crystal display 1602

C51串口输出输入函数-C51 serial input-output function

RTL8139 Series PCB Layout Guide

STM32F10x_Smartcard_AN cortex―m3源码-STM32F10x_Smartcard_AN cortex-m3-source

7290i2c软件包.rar可以实现多种功能的I2c

基于超声波的测距仪（包括原理图，程序源码与相关调试说明，以及一些参考资料，总之，开发超声波测距仪的一整套资料）-Based on Ultrasonic Range Finder (including schematics, source code and related procedures for debugging instructions, and some reference materials, in short, develop a set of ultrasonic range finder data)

键盘扫描算法有很多中，这个程序在IAR编译器下，用C语言描述了其中一种算法-Keyboard scan algorithm has a lot in this process in the IAR compiler, using C language to describe an algorithm which