Magnetic stirring（simple, adjustable speed, rechargeable）

这是一个极简的磁力搅拌台，可调速可充电，您可以使用它来搅拌各种液体。

设计原则是以最低成本来实现这个展示台，你需要这些东西：

硬件部分：
1-所有需要打印的.STL文件
2-从CDROM拆下来的小电机一个
3-带micro usb充电头的2000mah 7.4V锂电池（可替换成其他3-12v以内的锂电池）
4-PWM直流电机调速器1803BK 一个 (https://m.tb.cn/h.fO5H4wx?tk=Mk1m2WgwUjy)

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This is a simple magnetic stirring table, which can be adjusted and charged. You can use it to stir all kinds of liquids.
The design principle is to realize the display platform at the lowest cost. You need these things:
Hardware:
1 - all that need to be printed STL file
2 - one small motor removed from CDROM
3 - 2000mAh 7.4v lithium battery with micro USB charging head (can be replaced with other lithium batteries within 3-12v)
4 - pwm DC motor governor 1803bk（ https://m.tb.cn/h.fO5H4wx?tk=Mk1m2WgwUjy )

enjoy！