PCF8563T串行时钟芯片的驱动程序，需要I2C总线的接口函数。

C8051F04x单片机可变周期PWM脉宽调制。-C8051F04x Singlechip variable pulse width modulation PWM cycle.

ds1302的dsp c程序,芯片类型:tms320lf2407 -ds1302 the dsp c procedures, chip types : tms320lf2407

用反转法实现快速高效的4*4键盘扫描，并通过串口将按键值输出-Inversion method with fast and efficient implementation of the 4* 4 keyboard scanning, and send out the key value through the serial port

avr单片机atmega8系列芯片内部e2prom使用测试程序，本程序为示例程序，适用于初学者 -avr chip microcontroller series atmega8 e2prom internal testing procedures, the procedures for sample procedures applicable to beginners

利用AVR单片机实现的慢速USB设备协议-use the AVR MCU agreement slow USB devices

本人学习51时老师的课件。供学习51的朋友参考学习.-for study 51 reference.

ST7565 串行液晶驱动 + 多层液晶菜单 + Proteus仿真 ST7565 串行液晶驱动，用 晓奇工作室 Lcmzimo.exe提取字库，实现多层菜单，配有Proteus仿真。老是提示上传错误等会再传程序吧 -ST7565 Serial LCD driver++ Proteus simulation of multi-layer LCD menu serial ST7565 LCD driver, extract the font to use Xiaoqi studio Lcmzimo.exe to achieve multi-layer menu with a Proteus simulation. Always will be prompted to upload the error re-transmission of programs such as bar

VC 编写的OPC客户端-VC prepared by the OPC client

单片机原理及应用教程-SCM Theory and Application Guide

使用protel99软件编辑的原理电路图，希望对各位有助于电路图的学习和开发-The use of the principle of circuit protel99 software editor, in the hope you will help the study and development of circuit