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Postby simonshi » Tue Sep 15, 2020 8:26 am
Postby morris » Tue Sep 15, 2020 10:41 am
Postby simonshi » Tue Sep 15, 2020 10:44 am
我猜你可以自己搭电流-电压转换电路,或者直接选现成的4-20mA电流环接收端芯片。
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