利用单片机普通I/0口进行模拟IIC通信，从而实现24c02读写操作

用AVRmega8515编写的lcd1602显示程序，程序简单易懂，适合初学者-AVRmega8515 prepared by lcd1602 display program, the program easy-to-read, suitable for beginners

CH341评估板，演示USB转串口、转打印口、转并口及同步串口等-CH341 Evaluation and demonstration USB to serial, LPT switch, switch synchronous serial port and parallel port, etc.

单片机编程的常用子程序，编程时候简单修改就可以使用。-Microcontroller Programmer common subroutines, programming time can use a simple modification.

可编程微波炉系统 -Programmable microwave system

简单的小程序，实现小灯的动态变化，稍加修改可用在工业控制上-Simple procedures, realize the dynamic changes of small lights, a little modification can be used in industrial control

RA8806控制的LCD显示驱动程序。-RA8806 control

基于AVR的 8*8 LED点阵显示源代码-based on the AVR 8* 8 LED display system source code

51单片机矩阵键盘的设计与调试，建议使用52单片机。-51 Single-chip design of the keyboard matrix and debugging, it is recommended to use single-chip microcomputer 52.

点阵显示汉字程串口输出字符数据，P2口输出行扫描信号,P0_0输出595锁存信号-Dot-matrix display Chinese characters-way serial output data, P2 I scan signal output line, P0_0 latch 595 output signal

keil C51 Switch事例-examples Switch