High Precision Digital AC Energy Meter Circuit Voltage-Current-Power-KWh - Technology - PCBway
Power supply architecture for energy metering IC (HLW8012) - Electrical Engineering Stack Exchange
Safely Measuring Single And Three-Phase Power | Hackaday
Buy Three Phase Four Wire Ic Card Prepaid Electricity Energy Meter from Jiangsu Senwei Electronics Co.,Ltd, China | Tradewheel.com
Expandable 6 Channel ESP32 Energy Meter - emonESP - OpenEnergyMonitor Community
Shunt Topology in Three-Phase Metering: Principles and Reference Design
GitHub - CircuitSetup/Expandable-6-Channel-ESP32-Energy-Meter: Hardware & Software documentation for the CircuitSetup Expandable 6 Channel ESP32 Energy Meter. Works with ESPHome and Home Assistant.