基于avr单片机系统硬盘mp3设计，硬盘为fat32文件系统

C51常用字程序，单片及开发中的常用程序，缩小巧但很实用，而且包括的面很广，有很强的借鉴价值！-C51 characters commonly used procedures, and development of a single common procedures, and narrow the cleverest but very useful, but also the broad-based and has a strong reference value!

多种实时时钟芯片的读写应用程序，所用控制器为MCS-51系列的单片机-multiple real-time clock chip to read and write applications, using controller for the MCS-51 microcontroller series

BTF020实验程序-2 btf020开发板自带-Experimental procedures BTF020 development board comes with-2 btf020

mathacad laboratore usings sdk

多种A/D转换芯片在MCU应用中的驱动程序，C语言原代码-multiple A/D converter chip MCU application of the driver, the original C language code

时钟芯片H1380控制程序，实现单片机时钟功能-Clock Chip H1380 control procedures, to achieve single-chip clock function

液晶显示的完整程序，是你能很好的借鉴lcd的编程思想。-LCD complete procedures, is that you can draw very good lcd programming ideas.

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

51单片机读写usb移动硬盘。提供全套资料，原理图，固件源代码。-usb mass storage module

DSP芯片的使用,一个很有用的芯片介绍资料.-DSP chips use, a useful information on the chip.