搜索 - 科创

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96年曾经制作过120只超绿LED的灯板，60只串联，再反并联，串联10K/20W电阻限流直接接市电。因为实在是搞不到那么大的敷铜板，采用三合板，5mm钻头钻出2.5cm间距11x11矩阵，LED塞...

想自己焊接BGA,但又发现焊接后内部短路等等，看到人家用X光检查！专业的机子太贵了！于是花了2K买了牙科X光机，也安全很多！感觉效果还是不错的，曝光的强度还可以在提高下，胶片冲洗的时候，在注意点！就可...

做实验免不了要DIY板子——除了蚀刻，大家还有什么好办法？都说说，相互参考一下，共同提高。顺便晒一下俺的五指神功——一把尺子一把刀，6分钟完成的——各种无意义，纯粹为练手。

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