可用于任何单片机平台的I2C总线读写程序，IO脚模拟。

基于AT89C51的电子钟源程序和Protel电路图，该电路可以实现定时开关灯，整点报时，在线调整时间、日期、定时开时间和定时关时间。 Protel电路图 其它类别 电子钟源程序 电路图源程序-AT89C51-based electronic clock source and Protel circuit, the circuit can realize lamp timer switch, the whole point of time, on-line adjust time, date, time and from time to time from time to time to open clearing time. Protel circuit diagrams of other types of electronic circuit source clock source

线性光耦合器的简单介绍。-linear optocoupler brief.

凌阳的液晶驱动 61板，大家自己看看吧-Sunplus LCD driver 61 boards, we could see for himself now

智能计数器，对外部信号脉冲进行计数，并将脉冲个数显示出来。 基本要求：计数至少65536个脉冲，并将脉冲个数显示出来。 -intelligent counter, the external signal pulse counting, pulse number will be displayed. Basic requirements : at least 65,536 Count pulse, and pulse number displayed.

DS2401 DS2432 DS2460详细中文资料-DS2401 DS2432 DS2460 detailed Chinese data

关于AVR单片机的开发应用程序 AD转换实验-On the AVR MCU development and application of experimental procedures for AD conversion

自己在keil51中用C实现了一个电子钢琴展览项目，cpu用P89V51RD2，完全自己写的代码-Keil51 with C in the realization of an electronic piano exhibitions, cpu use P89V51RD2, completely write their own code. .

这是一个有关于51单片机的A/D转换的代码，希望对单片机编程爱好者有所帮助。-This is a microcontroller on 51 of the A/D converter code, and I hope to microcontroller programming enthusiasts help.

c8051f020 的扩展8255驱动数码管显示 同样是keilc啊-C8051F020-driven expansion of 8255 is a digital tube display the same keilc ah

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.