Electricity Metering with RS485

DIN Rail Electronic RS485 Electricity Meter 240VAC 100A 50-60Hz, with LCD screen J $16.90NZD each. I’m going to put 20 of them in my switch board, to see where my electricity usage is via the Google Power Usage analyzer.

And here is the little $7.50 transceiver chip to receive the data via RS485 to the PC and wifi.

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