https://www.cnx-software.com/2024/01/07/esphome-smart-powermeter-6-ct-clamps/
Читать далее...CNX Software - Embedded Systems News
ESPHome compatible "Smart Powermeter" supports up to 6 CT clamps - CNX Software
The "Smart Powermeter" ESP32-S2 board measures power consumption via six CT clamps, supports ESPHome firmware for Home Assistant integration
