1- to 5-channel energy monitor that can be integrated into Home Assistant.

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...
Jack connectors from CS SMD: https://s.click.aliexpress.com/e/_DeI...

00:00 Wiring diagram
05:26 Schematic changes
07:17 Trimmer calibration