个人做的电子钟，有32个闹钟,可以在一个星期内任一天响铃

avr,单片机开发资料，usb1。1接口资料-avr, microcontroller development information, usb1. A data interface

MSP430F149 LT-1B开发板相关的范例程序，不错的。-MSP430F149 LT-1B development board related example programs are good.

单片机测速 用测频的方法测速，用于简单的环境 已调试程序-MCU speed by the method of frequency measurement speed, for a simple debugger environment has been

红外传输程序，单片机at90s8515,红外编解码芯片max31-communicate by infraed ray

完整的俄罗斯方块程序及(Proteus)仿真 很值得看哦-Complete procedures and Tetris (Proteus) is worthy of emulation看哦

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.

蜂鸣器911报警(汇编),单片机的定时器根据声音的频率来设计-Alarm buzzer 911 (compilation), single-chip timer in accordance with the frequency of the sound design

keil c51 uversion2 中文入门教程-Keil Chinese entry Guide

atmega32 +1602显示+ key控制 + ad转化电路都在一起测试通过，-atmega32+ 1602 showed+ key control+ ad conversion circuits are tested together,

超声波测距模组使用说明书 电路图 程序 绝对有参考价值 -Ultrasonic Ranging Module Manual Schematics procedures have absolute reference value