How CT Energy Measurement Really Works — From Clamp to Kilowatt-Hours 28 lug 2026 0 15 You clip a current transformer around a wire, wire it into an ESP32, and Home Assistant lights up with watts and kilowatt-hours. Then you check it against the meter on the wall — and the numbers don't... accuracy ct-clamp current-transformer energy-monitoring home-assistant power-factor Leggi di più