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Power Monitoring with the ShellyEM

The ShellyEM is an all in one power monitoring solution for monitoring two circuits up to 120A.

Buy a ShellyEM

Products I use and recommend
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Sample Home Assistant Sensor via MQTT

  - platform: mqtt
name: "ShellyEM1 Watts"
state_topic: "shellies/shellyem-B9E17C/emeter/0/power"
qos: 0
unit_of_measurement : "W"
icon: mdi:flash-circle
- platform: mqtt
name: "ShellyEM1 Volts"
state_topic: "shellies/shellyem-B9E17C/emeter/0/voltage"
qos: 0
unit_of_measurement : "V"
icon: mdi:flash-circle
#    availability_topic: "shellies/shellyem-B9E17C/online"
#    payload_available: "Online"
#    payload_not_available: "Offline"