基于arm7的简易示波器，主要是用到api画图模块，能实现放大缩小平移。- base on arm7 to do a simple oscillpe

arm上数码相框源码，可以放大、缩小、上一张，下一张，全屏播放，幻灯片播放，自由选择播放目录，时间戳功能。-The arm on the digital photo frame source, you can enlarge, shrink, one, under a full-screen playback, slide show, free to choose the playlists, time stamp function.

protel99se辅助小工具，滑动鼠标滚轮可以实现放大缩小原理图，右键可拖动。-a small auxiliary tool for protel99se