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Using Peacefair PZEM-004T energy sensor for household IoT energy meter with Wemos ESP8266. Data is logged with MQTT server in JSON or CSV format.

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energy-meter

Using Peacefair PZEM-004T energy sensor for household IoT energy meter

Pin map

Pin on MCU On parts
5V V+ (Hi-Link)
GND V- (Hi-Link)
D6 RX (PZEM-004T)
D5 TX (PZEM-004T)

Hookup to main breaker

A graph for power with timestamp

A correlation with an offical meter (by EVN, VSE11)

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$20 energy meter

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Using Peacefair PZEM-004T energy sensor for household IoT energy meter with Wemos ESP8266. Data is logged with MQTT server in JSON or CSV format.

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