Quantity   Component name
1 × PC321-Z 3-phase Zigbee electricity meter https://www.owon-smart.com/three-phase-clamp-measuring-equipment-energy-power-clamp-pc321-2-product/
1 × Tasmota open-source firmware, zbbridge flavor https://tasmota.github.io/docs/
1 × Mosquitto MQTT broker https://mosquitto.org/
1 × Sonoff Zigbee Bridge https://sonoff.tech/product/gateway-amd-sensors/zbbridge/
1 × Node-RED, message routing&processing tool https://nodered.org/
1 × InfluxDB time series database https://www.influxdata.com/
1 × Grafana, data visualization platform