交通灯控制系统，可灵活设置多路时间

用PIC16F7877A实现测量市电电压A/D转换-PIC16F877A A/D

基于等精度测频原理，设计的等精度频率计，测试结果很精确，达到0.01HZ。-Such as the accuracy of frequency measurement based on the principle of design, such as precision frequency meter, test results are accurate to 0.01HZ.

研究所积累的资料2,大家秘密使用,千万别告诉别人!-2 Institute of accumulated data, we use a secret, please do not tell others!

nios环境下数码管驱动芯片max7219驱动程序，封装了八位数码管同时显示任意数值和单个数码管显示数值程序-Nios environment MAX7219 LED Driver IC driver, package of 8 At the same time, digital tube display and a single arbitrary numerical digital display numerical procedures

MagicARM2410 实验箱使用说明书. -Manual MagicARM2410 experimental box.

适用于dos环境的串口通信，很好的程序-dos environment applicable to the serial communication, good procedures!

温度计原理图和源码-thermometer schematic and source

msp430F149 timer模块程序，很好用-msp430F149 timer module procedures, good use

设计要求 1）. 抢答器同时供 8名选手或 8个代表队比赛，分别用 8 个按钮 S0 ~ S7 表示。 2）. 设置一个系统清除和抢答控制开关 S，该开关由主持人控制。 -sfjsdhafjhsadjkfhadjskffjksdfhjsdfdfsdfdsafdsfdsfdsfdsfdsf

C51单片机的非常好的实例，播放音乐，好好学习-C51 MCU very good example of music, to learn