tianruozheng：
http://auction1.taobao.com/auction/0/item_detail-0db2-69b7b2310ceb682f48e16a4a7925cbd6.jhtml其实一块学习板是有必要的,学习单片机实践是关键[图片]500){this.resized=true;this.width=500;this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/47/1164348259.jpg');}"onmousewheel="returnimgzoom(this);">