Project FireFlyLighting controls you actually own

Open-source smart lighting that runs locally, never charges a subscription fee, and stays yours — permanently.

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Always On, Locally Controlled

Works without an internet connection, local network, or cloud account — just like a light switch that's worked reliably for a hundred years.

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Hardware schematics, Gerber files, and all software are public. Review it, fork it, build it yourself. No company can take it away.

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No subscriptions, no licensing costs, no hidden charges. Buy the hardware once and you're done.

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Integrates natively with Home Assistant via MQTT auto-discovery. Zero manual configuration if you're already running Home Assistant.

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MQTT-native APIs let you connect to any home automation platform, voice assistant, or custom application — not just Home Assistant.

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Reference designs with multiple mounting configurations and 3D-printable enclosure files are included and free to use.