Matrix-keyboard

基于51的C语言频率计，内涵仿真图，以实现空能(Based on 51 C-language frequency meter, meaning simulation diagram, in order to achieve air can)

新编MCS-51单片机应用 完本。 希望对大家有用(New MCS-51 microcontroller applications complete this. I hope useful)

AD5933评估板下位机程序（keil C）和上位机程序（VB）(AD5933 Evaluation procedures under the plan (keil C) and PC (VB))

LCmeter with pic procesor

C8051F120和C8051F130的基础例程源码，学习该系列单片机的号资料(C8051F120 and C8051F130 source based routine, learning the number of the MCU data)

用共阴极数码管做的密码锁,可修改密码 ( this is a codelock )

SAMSUNG S3C2440开发文档大全---(。)

测试程序ATMEGA8LED的灯亮和灯灭(Test ATMEGA8LED lights turn on and off)

AT91SAM9263的Keil下的CAN总线的例程文件(AT91SAM9263 under the CAN bus of the Keil routine document)

42-ps2键盘LCD1602液晶显示.对于初学学习硬件开发的同学们，有很大的帮助哦。(42-ps2 keyboard LCD1602 LCD display. For the beginner to learn the hardware development of students, very helpful Oh.)