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指尖陀螺--行星齿轮
目前齿轮配合完美,可紧密啮合。整个指尖陀螺也可以转动,但由于经费问题,买不起好的轴承,所以转动不了太长时间;还有就是焊接铜柱很难保证与PCB板面垂直,导致各层安装有一定摩擦和晃动,暂时没有啥好的改正办法。 具体的安装轴承步骤,参照之前的 ...
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