A super simple non-intrusive circuit for measuring power consumption and reporting back to Home Assistant. Many homes these days have "smart" power meters that provide a means of non-invasive ...

ESP32 PM2xxx Power Meter with Modbus, MQTT. Contribute to toonep06/ESP32_schneiderPM2xxx_ModbusRTU development by creating an account on GitHub.

And, if you’d like to learn more about optically coupled power meter interfaces, here’s a different open source project we’ve covered before!

Conclusion There really isn't much more to say. The Satechi USB Type-C power meter is a neat little gadget to have if you're interested in the current passing into your phone or other devices ...