自己现在用的51系列单片机下载线，用74HC244芯片

vetess交换机管理软件，支持CLI管理，WEB管理，SNMP等各种常用管理功能-vetess switch management software, supports CLI management, Web management, SNMP management and other commonly used functions

单片机RS485通讯-SCM RS485 communication

PIC 的资源,睡眠模式和看门狗的设置和使用的C语言样例-Using sleep mode, wakeup on change, and the watchdog timer on baseline PICs

用单片机 AVR mega48来模拟usb 很好的通讯方案-MCU AVR mega48 used to simulate the usb good communications program

MSP430 LCD编程代码12864 Parallel Driver 12864 Serial Driver-MSP430 LCD programming code 12864 Parallel Driver 12864 Serial Driver

汉字、图片数字、英文等在LCD显示的转换，取字模可以设置字体大小等功能-Chinese characters, images, digital, LCD display in English, such as the conversion, check matrix can set features such as font size

providing learners for programming with C51, and joining in these web,hopefully finding people with C51 programming so that it will can be studied each other.-providing learners for programming with C 51, and joining in these web, hopefully finding people with C51 programming so that it will can be studied each other.

cygnal的一个应用，用SMBus实现串行通信。-of an application, with SMBus serial communications.

简易数字温度计的设计与制作简易数字温度计的设计与制作-Simple digital thermometer design and production of simple digital thermometer design and production

C51七种实用子程序集2-C51 seven practical subroutine Set 2