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....

一个执行效率不错的键盘扫描程序。附有Proteus仿真，按键的键值通过ＬＥＤ显示-A good efficiency in the implementation of the keyboard scanner. With Proteus simulation, the key button LED display through

这是一个读取ID卡的源代码，仅依靠8052的时钟读取125K频率的ID卡。-This is an ID card read the source code, only 8,052 on the clock read 125K frequency ID cards.

一个随机抽题程序 可以用来做演示用 还包括了定时器-Title of a random draw process can be used to make presentation also includes a timer with

支持键盘双击的C51程序，用于单片机辨别键盘双击-support the C51 procedures for identifying keyboard click MCU

节能时控器，根据每日供电波峰，波谷，定时用电。节能，降低用电成本。C51-AT89C2051 程序-When energy-saving controller, according to the daily electricity peak, trough, regular electricity. Energy saving, reducing electricity costs. C51-AT89C2051 procedures

2410电机驱动，ADS编译，测试没问题对触摸屏有兴趣的初学者可以用-2410 motor drive, ADS compiler, testing is no problem on the touch screen are interested in the beginners can use

单片机简易频率计。包含有Proteus仿真程序-Simple single-chip frequency counter. Proteus simulation program contains

编译为ICC AVR6.25A ATMEGA16L芯片 ad转换-Compiled for the ICC AVR6.25A ATMEGA16L chip ad conversion

单片机C语言的上电初始化，这确实是个头疼的问题!-microcontroller on the C language-- initialization, it is indeed a headache!