采用反正法扫描方法对4X4矩阵式按键进行扫描，判断是哪个按键按下。...

简易正弦波三角波方波发生器 使用keil C51,12MHZ晶振,AT89C2051 -Simple sine wave square wave triangle wave generator using keil C51, 12MHZ crystal, AT89C2051

这是我画的步进电机通用的驱动板，当然只是应用到初学者，版胡德不是很好，希望大家多多指教。-This is my painting of the stepper motor drive GM board, of course, only applied to the beginner, not a very good version of Ehud, I hope everyone exhibitions.

基于ARM中LPC2131芯片，编写的关于SPI的源程序！-Based on the ARM in LPC2131 chip, prepared by the SPI, source code!

Manchester码解码算法的AVR单片机实现-Manchester code decoding algorithm of the AVR Microcontroller

工程模板 使用非常方便适用初学者 敬请下载-project template using very convenient locations download application beginners

ocmj2x8c lcd显示的测试程序以及并口的应用程序示例-ocmj2x8c lcd display test procedures, as well as examples of parallel applications

该接口程序采用C51语言，包含详细的文档，开发环境为uvision2-the interface program used C51 language, contains a detailed documentation, development environment for uvision2

1、ps/2键盘输入，通过led显示ascii码 2、稍等1s可以在lcd上显示输入的字符 3、其中键盘上的backspce键是用来清屏的 4、当lcd上显示满字符时，在按下按键自动清屏，从第一行显示。-1, ps/2 keyboard input, through the led display ascii code 2, wait 1s in the lcd display characters input 3, which backspce keys on the keyboard was required to settle the screen 4, when the lcd display full of characters, the press the button automatically Qing-ping, from the first line of display.

单片机的c语言的编译软件，最新的keil 2英文版。-keil 3

这是一个单片机键盘响应程序，主要用于单片机设计中对键盘的编程，使得单片机能够显示键盘的按键-This is a microcontroller keyboard response procedures, mainly for the design of single-chip microcomputer keyboard programming, SCM makes the keyboard can display buttons