LCD display

最简单的TCP协议栈，只包括ICMP,ARP,TCP/IP等实用功能

老外写的基于arm的sd/mmc读写程序，开源的项目-foreigner was based arm of sd/-3.4 reading and writing procedures, open-source project

usb开发资料,外围设备实现-usb development information, the external devices

这是在51单片机上实现的完整功能的计算器源代码，用c写成，有利于帮助我们更好的学习单片机的开发-This is the 51 SCM achieve the functional integrity of the source code calculator, and c languages, will help us to better study the development of SCM

LCD1602 字符屏测试程序，驱动芯片44780-Characters LCD1602 screen test procedure, 44780 Driver IC

我自己整理的单片机4*4键盘最简扫描算法，相当精炼。-I sort of SCM 4* 4 keyboard the most simple scanning algorithm, very refined.

485通信在工业控制及管理系统中应用非常广泛，但485总线的相关资料教材上说明的却非常泛泛，这些资料对485通讯做了详细介绍，并有应用案列，相信对朋友们很实用-485 Communication in industrial control and management system is widely used, but the 485 bus information materials on the description is very general, such information on the 485 made a detailed presentation and have applied the case of columns, I believe that friends are very practical for

P T 2 2 5 8 详 细 英 文 资 料-PT 2 2 5 8 detailed information in English

基于飞思卡尔16位单片机的的串行通信SCI程序-SCI code

闪光灯测试仪的程序代码，有基于proteus的仿真-Flash tester code, there are simulation-based proteus