最简单的TCP协议栈，只包括ICMP,ARP,TCP/IP等实用功能

使用PIC芯片控制U2270读取125KHz ID卡卡号，因为所使用的PIC资源很少，此程序极为精简，包含中断曼切斯特解码和校验全过程，非常实用。-The use of PIC chip control U2270 Read 125KHz ID card number, because the use of PIC scarce resources, this program is extremely streamlined, with interruption of Manchester decoding and checking the whole process is very useful.

Philip tea 5767 FM 驱动用应用程序 char FM_Init(char bandinfo, char softlev) -Philip tea 5767 FM applications driving char FM_Init (char bandinfo, char softlev)

profibus从站模拟量接口模块设计.rar-Profibus station analog interface module design. Rar

用Keil C51 编写的单片机使用PC键盘程序代码- Compilation monolithic integrated circuit uses the PC keyboard procedure code with Keil the C51

51单片机程序，12864显示程序，可显示汉字，图像-51 SCM procedures, 12864 display program can display Chinese characters, images

基于国旗升降控制系统的设计与实现，采用汇编语言设计源代码。-Based on the national flag take-off and landing control system design and realization of the design using assembly language source code.

51单片机控制ISD1420实现选段播放功能的实现-ISD1420 single-chip implementation of 51 selections to control playback of the implementation

详细介绍picf87x系列单片机，其中主要包括内部结构等诸多信息-Detailed introduction picf87x Series Single-chip, which mainly include the internal structure and many other information

51单片机八位数码管显示初阶C程序，位选用的138译码器连接，压缩包里面有原理图-51 MCU 8 digital tube display elementary C program, optional 138-bit decoder connected, compressed packets inside diagram

LED照明设计基础知识大全 LED照明设计基础知识大全-LED Lighting Design LED Lighting Design Basics Daquan Daquan basic knowledge of the basics of LED lighting design Daquan