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...

51单片机虚拟I2C协议、组合式按键、串口通信的简单综合应用，配Proteus仿真电路-51 Single-chip virtual I2C agreement, the modular keypad, serial communications, a simple integrated application, with Proteus simulation circuit

江苏电能表通信协议，适用于国网最新645-2007的规约-Jiangsu power meter communication protocol, applicable to the statute of State Grid latest 645-2007

LED动态扫描.采用74164做为显示数据输出,使I/O口减少至两个,并且可做为驱动,是小系统LED显示的最佳方法-LED dynamic scanning. Using 74,164 as output data show that, I/O port reduced to two, but also to drive, is a small LED display system the best way

51开发板仿真平台提供的串口调试软件(sscom32.exe)和虚拟串口软件 (vspdxp.exe)，-51 development board to provide the serial simulation platform debugging software (sscom32.exe) and virtual serial port software (vspdxp.exe),

这是本人去年学习所用的新华龙F020开发板的PCB Layout板.因为只用了两天时间画完,没有做走线优化.希望对大家有所帮助.-This is the last year I used to learn new hualong F020 development board PCB Layout of the board. Because only two days画完, there is no alignment to do optimization. Want to be helpful to everyone.

红外信号测试软件-infrared signal testing software

凌阳16位单片机应用基础 -Sunplus 16-bit single-chip application infrastructure

亮灯控制程序,按下某键即执行相应程序,没按其他键,状态不变-lighting control procedures, press a button that is the implementation of the corresponding procedures, not by the other key, the status quo

采用STC89C54RD实现的一个完整的流量计控制系统源代码，包含了对STC89C54RD内部Flash的编程（自创）和对ICL7135的数据采集编程，该代码实现的产品已经实用化。-STC89C54RD used to achieve a complete flowmeter control system source code, contains an internal Flash programming STC89C54RD (own) and ICL7135 data acquisition programming, the code of the product has been the realization of practical use.

这个是单片机和电脑进行通信的单片机作为上位机向电脑发送数据-This is a single-chip and single-chip computer to communicate to the computer as a host computer to send data