AVR128的C代码，外部中断，串口中断，IO操作

快速付里叶变换子程序所需 RAM 空间以输入的首地址为基址,向增加的方向扩展-Fast Fourier Transform subroutine RAM space required to input the first address of the site was to increase the direction of expansion

用C语言实现51单片机232串口通信程序，已经调试好了-51 using C language to achieve single-chip serial communication program 232 has better debugging

decoder for rc5 in avr microcontrollers

详细介绍MP3的编码原理,有大量图示,好看就要顶下,-Detail MP3 encoding principle, has a large number of icons, we should look under the roof,

4*4矩阵键盘（查表法） （C51环境）-4* 4 matrix keyboard (look-up table) (C51 environment)

Documents and SettingsAdministrator桌面NAT.rar-Documents and Settings Administrator Desktop NAT.rar

画曲线头文件,最新制作可以进行画三角波,但可修改后画正玄矩形曲线-Painting curve header files, the latest production of the triangular wave can be painted, but can be modified after the painting is mysterious rectangular curve

数字波形发生器,能够产生同步的几个方波.-digital waveform generator capable of producing several square synchronization.

PIC单片机的电机驱动程序，电动车双闭环程序，采用双闭环方式控制电机，以得到最好的zh转速性能，并且可以限制电机的最大电流。-PIC microcontroller s motor drive, electric cars double-loop process control using two-way closed-loop motor speed zh to get the best performance and can limit the maximum motor current.

sd 卡驱动软件包: SD卡物理层 ---- SD卡SPI模式支持的命令-sd card driver package: SD Card Physical Layer SD cards support SPI mode command