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简简单单做个USB温度传感器 |
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睁开眼睛做场梦~~~
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睁开眼睛做场梦~~~
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点评
你图片中,3D图确实是QFN32封装,但实物图是LQFP32。QFN32引脚全在底部,外面看不到引脚,不能用烙铁焊接。
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睁开眼睛做场梦~~~
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睁开眼睛做场梦~~~
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睁开眼睛做场梦~~~
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打工人
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点评
哈哈,我把电路板上的焊盘看成芯片的引脚了。不过一般QFN的焊盘不这样啊,焊盘只在芯片地下,没法用烙铁焊接。PCB上用的是哪种封装的焊盘啊?
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睁开眼睛做场梦~~~
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睁开眼睛做场梦~~~
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睁开眼睛做场梦~~~
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|手机版|小黑屋|深圳国芯人工智能有限公司
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