51系列单片机指令列表，非常详细，对新手有帮助，

C语言的KEY4X4的矩阵键盘,已经调试成功.可以很便移植,是本人自己写的.-C language KEY4X4 matrix keyboard, has been successful debugging. Can be transplanted, it is I wrote it myself.

16位计数及激光测距仪的源程序,C源代码,对学习有很好的参考价值.-16 counts and laser rangefinders of the source, C source code, to learn a good reference value.

AVR单片机下的mmc卡控制程序，包括系统SPI模式初始化，使卡进入SPI模式及检测等-AVR cards under the VAT control procedures, including the systematic SPI mode initialization, access cards and SPI mode detection

pc端usb下载程序DNW的源代码，配合开发板usbd程序可以实现pc和开发板互通-usb client pc download the source code of DNW, with the development board can USBD pc and realize mutual development board

这个文件是西门子16位单片机从c166上的一些应用程序的源代码，都是用标准c语言写的-Siemens 16 microcontroller from c166 on the application"s source code, are standard written language c

51单片机串行口初值计算器，51单片机定时初值计算器。等多种小软件。-Initial value of 51 single-chip serial port calculator, timer initial value of 51 single-chip calculator. And many other small software.

基于单片机的电动机的正反转电路 机构简单，介绍详细-Based on single-chip motor body positive circuit is simple, to introduce a detailed

一个关于51系列单片机的使用手册，很不错！-a series of 51 manuals for the MCU, very good!

avr单片机中TWI主机发送和主机接收程序代码

ds18b20和1602液晶显示，能精确读取温度到小数点后两位。-LCD ds18b20 and 1602 can accurately read the temperature to two decimal places.