指南针筒身自制LED手电

RangerZC

<P>指南针筒身车床扩孔至可用18650，不慎车去部分内螺纹但并不妨碍LED灯座的安装；<br>反光杯底部磨去部分至LED适合尺寸；<br>安装高瓦数国产白光LED，卖LED商家说是3W，但估计实际功率不足3W；<br>串0.5欧电阻(两个1欧0.5W电阻并联)保护LED；<br>在LED下粘了一枚5角硬币，散热极佳；<br>筒身无任何损伤，反光杯有极小不明现划痕，聚光佳；<br>制作时就考虑到可能更换LS 3W LED，故没有将现LED完全固死，只需将LED正负极焊下即可简单更换成更高亮度的LS 3W LED。<br></P>
<P>成本：指南针手电包邮45+国产LED30+车磨加工20=95，还要自己制作的手工<br>另外还购买了电阻和导热胶水</P>
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[此贴子已经被作者于2005-7-14 0:07:21编辑过]

棒冰小子

[em06]没有图片？

KK

看不见图片

黄师父

140估计不好出手，成本才80（不包电池）。还有伤。降到100看看。

RangerZC

<DIV class=quote><B>以下是引用<I>黄师父</I>在2005-7-13 11:34:34的发言：</B><BR>140估计不好出手，成本才80（不包电池）。还有伤。降到100看看。</DIV>
<br>找人车和磨很麻烦的，当然，如果哪位诚心要价钱还好商量。

稻草

此板块是技术讨论区，请把转让的内容去掉，谢谢合作。

[此贴子已经被作者于2005-7-13 22:04:52编辑过]