搜索 - 科创

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线圈100T左右，场效应管一个，霍尔传感器一个（旧CPU风扇里有）10-50欧电阻一个2K电阻一个，磁铁是养鱼的过滤泵磁芯，有支援一个强磁的感激不尽

手上8个18650动力锂电池 3900毫安松下，据说是最大容量的18650了均衡保护板 4串保护电流22A。15A长期工作有个不用的笔记本电源19.5V 4.2A。。。。。。可以直接引出来充电...

家里一个热的快烧水坏了，我把里面的电热丝抽了出来，大概两米长，电阻是50欧，能不能能改制一个可调的恒温加热器，还有，手边没有能测量高温的设备，有什么方法可以测温度么？

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