搜索 - 科创

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楼主的设计比较蛋疼，三极管应该用8050,B到IO口串180欧电阻有必要的话加上下拉电阻。或者用MOS更容易，栅极直接接IO，补一个22k下拉就好。另外Arduino用的是g++语言当然就是标准的C+...

> 结晶为In[InBr₄] 液体密度很大以至磁子浮起溶液里就是 In[InBr₄] 和 HBr 么？密度咋会这么大的。。。溶液按 50mL 算的话，浓氢溴酸密度 1.5，含 HBr 60% 共 4...

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