1- to 5-channel energy monitor that can be integrated into Home Assistant.
In this video we see the voltage and current calibration.
Material used:
ESP Wroom 32 38pin: https://s.click.aliexpress.com/e/_DB9...
CT Clamp (current clamp): https://s.click.aliexpress.com/e/_DD7...
AC Voltage Meter: https://s.click.aliexpress.com/e/_DEs...
CS SMD Jack Connectors: https://s.click.aliexpress.com/e/_DeI...
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Licence: CC BY-SA 4.0
DISCLAIMER:
All designs are created for hobby purposes, and may be untested and/or have errors. It is up to the user to check this. I am therefore not liable for damage caused to persons or property, or simply to the projects themselves, resulting from improper and incorrect use.
WARNING: The electrical system may only be modified by qualified personnel. Furthermore, after modifications, this installation must be certified. Ask your electrician for the installation.