先发需要的材料和工具

这些是材料
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screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL+Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open(this.src);}" alt="Click here to open new window CTRL+Mouse wheel to zoom in/out" src="http://www.0571qd.com/bbs/attachments/month_0705/20070523_3937b71d0b73f9dc9bb6tHswhNrOA8sM.jpg" width=806 onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL+Mouse wheel to zoom in/out';}" border=0 resized="true">

screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL+Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open(this.src);}" alt="Click here to open new window CTRL+Mouse wheel to zoom in/out" src="http://www.0571qd.com/bbs/attachments/month_0705/20070523_2a19d8fa6d72262c81fcNtWdXGLwriY3.jpg" width=806 onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL+Mouse wheel to zoom in/out';}" border=0 resized="true">    第一个是实验板, 上面有覆铜的孔, 用来做LED的板子

第二个就是我们最常见5MM的LED灯珠了

第三个是针脚, 最后用来插到PETZL 的DUO的插座里面的