搜索 - 科创

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我用的是锂电池外面的那层铝片，蛮厚的，剪开（小心哦，锂电池很危险的，不要短路）！然后剪成条状，长度和宽度可以根据自己的螺丝大小来决定，剪好后在另一端打孔，铝片很好打的，比较软，打好后在另一端四个口，像...

因为各种原因，图片在三楼对了，这四个螺丝是两个人拿两把套筒扳手用脚踩下去拆松的，跟拆后八轮的螺丝一样。介绍一下，这个是SSB4G的火车头动力驱动。加二极管大概有快两百个吧。四分之一台有40-60个...

随着带USB接口的产品逐步推广，许多汽车都配备了USB接口方便人们出行时使用电子产品。一位动手达人利用步进马达制造了这个使用在自行车上的充电器。这款充电器有2个USB接口，在骑行的过程中，可以方便地...

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