IoTaWatt
IoTaWatt V6.4
Open-source 14-input energy monitor with an onboard web server and local history storage: readings stay on the device even with no cloud and no Home Assistant. Flexible CT inputs cover individual circuits, mains, and solar production with derived import/export outputs.
The core iotawatt integration polls the device's local HTTP API over Wi-Fi: each CT input becomes a sensor, and IoTaWatt-side output formulas (net consumption, solar export) come through for the energy dashboard, though output sensors are typed by name rather than auto-discovered. The project is community-run: original sales have ended and current V6.4 hardware is manufactured on the original tooling and sold by CircuitIQ.
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