ESPHome firmware that emulates the Huawei DTSU666-H Smart Power Sensor for SUN2000 inverters, fed from a Victron Cerbo GX — built-in export limitation without a physical meter.
esp32 modbus solar home-assistant modbus-rtu huawei energy-meter victron esphome zero-export sun2000 esp32-s3 huawei-sun2000 dtsu666 cerbo-gx dtsu666-h export-limitation
-
Updated
Jun 11, 2026