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Recent content by harmoncia

  1. H

    Energy power metering circuit with ADE7753 problem

    Ok, thank you. So if I get correctly what you mean, you suppose to connect N and AGND together. However wouldn't it be causing problems when AGND is connected to GND and GND is digital ground from 7805, which is supposed to power MCU?
  2. H

    Energy power metering circuit with ADE7753 problem

    Hello, I'm trying to build a power consumption meter using ADE7753. I've designed a circuit (see the picture), made PCB and put it all together. First of all, I tried to run the circuit from external 9 V battery, to see if ADE is ok. It was, so I've programmed driver for it for my ATmega. Then...

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