PHILIPS非接触射频卡RC500的开发技术资料,

PC机和智能型仪表通过RS485进行异步通信-PC and intelligent instrument for asynchronous communication through the RS485

用AT89C2051设计的PC-AT键盘源代码-AT89C2051 design with the PC-AT keyboard source code

红外线遥控音量电位器,红外线遥控音量电位器-Infrared remote control volume potentiometers, infrared remote control volume potentiometer

T9中文输入法，可嵌入自己的系统，增加系统的价值-Chinese T9 input method can be embedded in the system, increasing the value system

F020 实现ADC 采样 串口输出到上位机-F020 realize sampling ADC serial output to PC

PIC单片机SPI通信C语言程序（93LS46）-PIC single-chip SPI communications C Programming Language (93LS46)

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

UCOS2在51上的移植源码。学习UCOS-UCOS2 51 on the transplant source. Learning UCOS

我在使用的一个1335SED液晶屏程序.-I use an LCD screen 1335SED procedures.

一个单片机学习的网站-a microcontroller learning website