51单片机的IIC总线先测试程序，C语言编写，很实用的！

8051上的CRC8校验 A CCITT-8 CRC calculator. The source contains both the calculated (smaller but slower) version, and the table driven (faster but larger) version.-8051 CRC8 check on the CCITT A-8 CRC calculator. Th e source contains both the calculated (smaller but slower) version, and the table driven (faster but larger) versio n.

该程序为基于51单片机的步进电机控制程序，经调试可行-51 microcontroller-based stepper motor control procedures, testing feasible

与MP3播放功能FOSS一起使用的控制器

六位电子密码锁 采用89s52（51，52都可），4*4键盘，六个数码管，74ls04（位选），573（8D锁存器）。 说明：P2---数据（接573）―――（接数码管） P1---位选 ---（按74ls04） P0--4*4键盘 密码一次性设置（编程时写入的） 电路简单，此源程序仅供初学者学习，可自行扩展密码模块（加24C02）。 编绎软件为wave -six electronic password lock used 89s52 (can be 51, 52), 4* 4 keyboard, six digital control, 74ls04 (EC), 573 (8D latches). Note : P2-- Data (573 )---( access digital access control) P1 Choice------ (74ls04 ) P0-- 4* 4 keyboard set up a one-time password (into programming) circuit is simple, This program is for beginners learning will be able to expand password module (CO2 plus 24). Sounds series software wave

无线传感器网络-构建与协议,讲解无线传感器网络的主要构建及各层的协议实现.-Wireless sensor networks- Construction and agreement, on wireless sensor network to build and realize the agreement on each floor.

HID USB键盘单片机固件程序，能实现键盘输入的功能-HID USB keyboard firmware single-chip, to achieve the functions of keyboard input

文章借助系统模型，阐明了GSM模块收发短信的基本概念以及串口控制SMS的基本原理。详细介绍了单片机控制GSM模块工作的软件实现过程，对对怎样用单片机控制GSM模块收发短信进行了探讨，也对程序设计的主体思想作了较为细致的分析。-article with the system model, a GSM transceiver module SMS the basic concepts and serial control of the basic tenets of SMS. Details of the MCU control of the GSM module software process of how to use SCM control GSM transceiver module for the SMS study and design of the main procedures were thinking more detailed analysis.

基于单片机的计算器原程序代码，传上去让大家看看！-based SCM calculators original program code-up to let everyone see!

ISD4003-4M语音的详细使用说明，和ISD4003-4M的技术资料！-ISD4003-4M detailed voice instructions, and ISD4003-4M technical information!

嵌入式FAT文件系统，不错。fat32lfn1.rar-Embedded FAT file system, yes. fat32lfn1.rar