图象的渐显/渐隐是十分重要的图象效果，广泛运用于图象处理和多媒提娱乐软件。渐显/渐隐算法设计的最大困难是速度控制，包括定时和快速改变图象中各象素的颜色。如采用普通的全图扫描算法，则速度较慢，很难真正体现渐显/渐隐效果-Image渐显/ fade effects are very important images, widely used in image processing and multi-media entertainment software mentioned.渐显/ fade al

本程序是直流电机控制实验，程序采用定时中断产生PWM方波，100次中断为一个周期。-This procedure is a DC motor control experiment, procedures used interrupted from time to time have a PWM square wave, 100 times a cycle of disruption.

简单的控制摄像头获取视频信息以及，定时间的采集图片，并且保存图片信息。-Simple control camera for video information and, given time of the acquisition image, and save the image information.

社区视频监控系统主要是利用摄像头和视频采集卡进行视频监控的，本社区视频监控系统主要实现以下功能：视频监控、云台控制、快照和录像、录像回放、定时自动监控、监控管理及日志。-Community video surveillance system is the use of camera and video capture card for video surveillance, video surveillance system of the community to achieve the fol