串口访问防雷模块测试仪、放电管测试仪；查询打印报表

是介绍16f877a的相关用法的资料,有具体的中文资料介绍-some introductions of 16f877a microchip

I2C规范协议中文版，英文水平不怎么样的兄弟可以下载-I2C specification agreement the Chinese version of the standard of English was not the kind of brothers can be downloaded

《嵌入式固件开发》一书的源码--Source code for the book of "Embedded Module Development".

本源码是从PB6.0中提取的SqlCe的源码，可以帮助理解嵌入数据库的基本机制，在此基础上也可以开发自己的嵌入数据库系统。 SQL Server CE 将 Microsoft SQL Server 的存储功能扩展到运行 Microsoft Windows CE .NET、Windows Powered Pocket PC 2002 或 Pocket PC 2000 的设备，同时为开发人员快速开发应用程序提供了一致的编程模型。  

应用背景本人在DSP下开发的CF卡、固态电子盘的PIO模式的存储，用于数据采集存储使用！关键技术主要解决了CF卡、固态电子盘的存储使用！掉电数据不丢失，可脱离计箱机对硬盘进行操作

嵌入式TCP/IP协议源代码，能够在ARM嵌入式开发板上实现-Embedded TCP/IP protocol source code, be able to realize on-board ARM Embedded Development

基于snd1c芯片的mp3播放器源代码（原理图）-snd1c chips based on the MP3 player source code (diagram)

用C实现广告灯箱自动装置1、直流电机控制系统，控制广告牌的升降。 2、定时翻转广告，可由按键设定时长。 3、时间设置，5：00-22：00正常工作，其余时间不工作，时间可以调整。 4、到达广告的边缘部分广告停止翻转。 5、广告可以由按键设置升/降。 6、白天时间广告灯不亮，光线较暗时广告灯才亮，测试灯的好坏时可以手动控制灯光。 7、断电时保存时间及按键的设置，使广告牌到达边缘部分。 -C implementation using automatic device 1 advertisement light box, DC motor control system, control the rise and fall of advertising. 2, ads from time to time reversal, length of time set by the keys. 3, time set ,5:00-22: 00 normal job, the rest of the time does not work, time to adjust. 4, Get ads ads stop some of the edge flip. 5, ads can be set up by the button/drop. 6, ads during the day time lights are not bright, low light only bright lights when the ads to test the quality of light can control the lights manually. 7, when power-off time and save the settings button so that the edge part of advertising arrival.

该程序为LINUX下的串口通讯程序,采用华恒公司的嵌入式开发套件,包含了makefile文件-the procedures for LINUX serial communication program, the company used huaheng embedded development kit that includes a makefile documents

POCSAG　解码　及分析，网上很不好找的-S70L41B is a fully integrated CMOS POCSAG (CCIR Radio Paging code No.1) decoder and page controller for display pagers.The decoded POCSAG data are transferred over a serial interface to a microcontroller according to its commands for processing and subsequent storage and display.