提供了LED点阵显示的Proteus仿真电路，和汇编代码。-LED dot matrix display provides a simulation circuit of the Proteus, and assembly code.

Keil C 编程的手写板-Keil C Programming 5270

矩阵键盘检测,用于初学单片机的人了解学习-Matrix keyboard detection for the beginner to learn to understand SCM

利用单片机控制的8255键盘控制实验汇编成序-MCU 8255 using the keyboard to control the experimental sequence was compiled

51单片机控制dm413 R,G,B色彩变化。-51 single-chip control dm413 R, G, B color changes.

一个烧烤炉装配生产线的梯形图程序，PLC为 三菱fx2n系列-A barbecue pits of the ladder assembly line procedures, PLC Mitsubishi FX2N Series

一个用C51编写的倒计时程序，可通过PC传送起始时间，也可回传当前时间。比较简单-C51 with a countdown of the preparation process, through PCs starting time, but also back- the present time. Relatively simple

请将下载的2个插件内容拷贝到uVision 的安装目录下的 KeilC51BIN 中 2. 修改 Tool.ini, 此文件位于 uVision 的安装目录 keil 下. 请将下面的内容 添加到 [C51] 部分的后面. AGSI1=ledkey.dll ("ledkey") AGSI2=simboard.dll ("simboard") 3. 重启uVsion. 进入Debug 模式, 打开菜单Peripheral, 发现增加了2项 分别是键盘LED仿真板，51实验仿真板。-Please download the contents of two plug-ins are copied to the installation directory uVision under KeilC51BIN 2. Modify Tool.ini, this file is located in the installation directory uVision under keil. Please Add the following line to [C51] part of the back. AGSI1 = ledkey.dll (ledkey) AGSI2 = simboard.dll (simboard) 3. Reset uVsion. entered the Debug mode, open the menu Peripheral, found an increase of 2 are keyboard LED emulation board, emulation board 51 experiments.

LPC214x_ LPC213x_ Sample_Code for_Keil lpc2131keil例程Example Standard I/O program for LPC2100 -LPC214x_ LPC213x_ Sample_Code for_Keillpc2131keil routines Example Standard I/O program for LPC2100

基于51单片机，实现RS232和RS485两机通信，包含详细说明！