Home power monitoring using the Shelly EM with Grafana, InfluxDB, Node-RED and MQTT

Blog post with code samples here: http://hazymat.co.uk/2020/12/shelly-e...

The Shelly EM is a really cool little WiFi power monitor sensor for the home. By default it reports back to the Shelly app, but in this video I have turned on MQTT mode, which disconnects it from the cloud and gives me access to the raw data.

Thought you might be interested in the cool things you can do with the data beyond the Shelly app.

The Shelly sends an MQTT message, and I have Node-RED formatting and forwarding that message to Influx. The dashboard is designed in Grafana, which natively supports Influx, and you can do some cool stuff with the data.

In this video I talk through some of the concepts of power monitoring, and show off what is possible and exactly how the data is processed and displayed.