query: How to transfer 0 V - 5 V across galvanic isolation barrier?
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negative_passages.text: How can i transfer 12 V, 50 Hz, 1 A wirelessly?
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negative_passages.text: How to add ground to DC circuit?
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negative_passages.text: In HLW8012 where should I connect the reference voltage (GND)
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negative_passages.text: How do I convert 9 V DC to 5 V?
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negative_passages.text: Amplifying 10-30mV into at least 5V