用89C2051实现恒速控制，原理图、印刷电路板图、软件源程序

常见的debug命令,与大家共同分享一下-common debug orders, we share common

内部有说明,多为嵌入式系统程序,侧重于实用的系统,很有参考价值-internal notes, and many of the embedded system, with a focus on practical, useful reference value

《多按键处理程序 》，适用于工控按键处理 -"multi-key handling procedures" applicable to industrial processing keys

实现一个硬盘保护程序，可以自动恢复硬盘引导区和操作系统引导区等-an little tool to protect your harddrive by recovering important information

单片机的电子时钟：6个数码管分时循环工作，刷新频率≥25Hz。键盘采用矩阵式电路，L1-L4作为输出，H1-H4作为输入。（详细工作原理请参考教材第10章）。 系统时钟采用12MHz，采用定时器方式2计时-SCM Electronic Clock: 6 digital control time-cycle work, refresh frequency ≥ 25Hz. Keyboard, a matrix circuit, L1-L4 as the output, H1-H4 as input. (Details please refer to teaching works Chapter 10). The system clock is 12MHz, using the timer mode 2 time

本程序是基于51单片机的红外解码实验！！希望大家喜欢-This procedure is based on 51 single-chip decoder infrared experiment! ! I hope everyone likes

TestOS - 带简单GUI的DOS扩展OS// 源代码// ASM// 英文 -TestOS-with simple dos distention OS of GUI//resource code//ASM//English

software UART using one wire

基于51单片机的16个汉字显示并左移的点阵程序大家学习-Based on 51 SCM 16 characters dot matrix display and left the U.S. to study procedures