it is the lession of SPEC061A ,and it is good for the freshman

这是一个单片机应用中编写键盘代码时可以对比参考的，PS2接口的键盘对应的按键码，很实用的，有用到得朋友可以看看。-This is a microcontroller application can write code in contrast to the keyboard reference, PS2 keyboard interface, the corresponding key code, very practical and useful to have a friend take a look at.

TLC2543驱动程序-TLC2543 driver

用VB做的串口调试助手，可用于上位机与下位机之间的通信。-VB to do with the serial debugging assistants, can be used to lower PC and the communication between machines.

单片机实现液晶显示程序，对初学者，比较实用-the mcu for lcd display

串口上的128X64的LCD源程序!已编译并调试通过!-serial port on the LCD source of the built! Compiling and Debugging has passed!

51单片机浮点子程序库(大型),直接嵌入,方便使用.-51 single-chip floating-point subroutine library (large), direct embedding, user-friendly.

51单片机的电子琴C程序有自动演奏和键盘演奏功能-51 Microcontroller, the flower C program for automatic playing and keyboard performance features

DS18B20温度监控程序，上位机与单片机通过串口进行通信-DS18B20 temperature monitoring procedures, and single-chip host computer through the serial port to communicate

atmega16开发板、Proteus、原理图-ATmega16 development board, Proteus, schematic diagram

该程序是用单片机C51语言编写的关于步进电机控制的程序，里面包含了详细的说明，对于初学者有很好的帮助！