Documentation

This is the place to get the latest {lucid} specification.

Lucid is the lightweight, universal control and instrument data protocol. Using JSON and MQTT, Lucid provides a full-featured extensible telemetry protocol suitable for small IIoT devices, RTU’s and all other elements of a robust, modern Operational Technology platform.

Last updated 25/10/2024

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Latest Release - Lucid 3.0

25/10/2024

Lucid V3.0.

Latest version of the Lucid Protocol specification. Includes changes to the data type representation in messages and consistent time representation throughout.

Please visit the Git repository for this release and to view and take part in the Lucid Protocol development project.

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Lucid 2.0

22/04/2024

Lucid V2.0. Big changes to the style of the document making it clearer and easier to read.

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Get {involved} with Lucid protocol

Lucid is a free, open source protocol that bridges a gap between Operational Technology (OT) and IoT technology.

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