本程序是4位七段显示、3x3键扫实验，正确无误。

51在多机通讯时可采用此方式，3线式，忙时可无限等待，闲时传输速率高-51 in the multi-machine communication use this form, a three-line, busy waiting for an unlimited time, in his spare time high speeds

支持键盘双击事件的C程序设计,51实例，验证过的-Double-click the event to support the keyboard C-program design a

C8051F的液晶显示程序，主要是解决中文显示问题。值得一看-C8051F LCD procedures, mainly the Chinese that the problem is solved. An eye-catcher

C51人机接口技术，有4×4键盘程序显示及其仿真-C51 man-machine interface technology, there are 4 × 4 keyboard display and simulation

单片机proteus仿真，可以做成实例的仿真文件的-protues

STM32F103VBT6 实现SRAM -STM32F103VBT6 realize SRAM

对于学习，使用PCI单片机来开发的人有参考价值,PCI编程使用技术资料-For the study, the use of PCI microcontroller to develop people have reference value " PCI programming using the technical information"

PROTUES是个高效率的在线仿真软件,该锦集为在线仿真的应用.里面的资料,包含了各个内容的原程序和原理图等.

飞思卡尔8位单片机QG8开发资料，可以为广大的初学者提供帮助。-Freescale 8-bit microcontroller QG8 development information that can provide assistance for the majority of beginners.

一个IIC接口驱动程序-an IIC Driver Interface