网上找到的PCF8563程序基本不能用 本程序基于51单片机，模拟了I2C接口，现已调试成功，可以做成万年历了...

8051系列应用类打包：AD调速，仿50HZ波形输出，P3口输出控制继电器程序，PWM电机调速，报警，报警防盗，步进电机的控制，电子秒表，电子秒表,航标灯控制程序,频率计等-8051 Series Application Class Package: AD governor, imitation 50HZ output waveform, P3 mouth relay output control procedures, PWM motor speed control, alarm, burglar alarm, stepper motor control, electronic stopwatch, electronic stopwatch, navigation light control procedures, frequency meter, etc.

ds1302 时钟芯片的资料和c语言通讯程序，调试通过。-ds1302 chip clock information and communication program c language, debugging through.

红外遥控编码资料，非常详细，值得参考，里面包括了很多遥控器的编码信息-Infrared remote control coding information, very detailed, it is also useful, which includes a lot of remote control coding information

控制台达变频器 控制台达变频器-Tatsu Tatsu console console Inverters Inverters

在PROTEUS仿真实现，在液晶显示器上显示采集温度的波形图-In the PROTEUS simulation, in the liquid crystal display to show temperature waveform acquisition

msp430f169 DMA操作 msp430f169有丰富的片内资源其中dma可以使各个模块在cpu关闭的情况下仍能相互联系

控制电机运动的G代码程序,如果对G代码不清楚,请先看懂G代码,然后再看本程序.-Control motor movement, G code program, if the G code is not clear, please understand G code, and then look at the procedures.

HE48R/E05A 实现I/O模式的工作原理-HE48R/E05A realize I/O model of principle

光电鼠标的电路图，很好的，多多交流学习-Circuit diagram of optical mouse, very good, a lot of exchange of learning

c8052的I2C子程序,比较实用可靠,我们使用的是C8051F020-c8052 I2C subroutine, more practical and reliable, we are using the C8051F020