PZEM-004T Single Phase Meter AC Ammeter Volt Power TTL Kwh RS485 with CT Coil
Picture 3.1 PZEM-0 04T-10A Functional block diagram. ≥10kWh, the display unit is kWh, such as: 9999.99kWh. Physical layer use UART to RS485 communication interface. RS485 interface。. AC communication module.