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  1. H

    Issue with mutiple pzem-004 in parallel

    Thanks for your reply. You have a compelling argument. I guess I got confused for 2 reasons: 1- the datasheet says that each slave (pzem module) can be assigned an address and every query (and reply) contains an address. What's the point of having an address if you are not on a bus or alone on...
  2. H

    Issue with mutiple pzem-004 in parallel

    Hello, I am not used to posting threads in forums, so forgive me and correct me if this is not the right forum or the right form. The pzem-004 v3 is a power sensor nodule. It provides info like volt, amps, power factor, frequency.... In my house, I have a 3 phase system, therefore I use 3 of...
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