KNX-Ultimate brings together the flexibility of Node-RED with enterprise-grade KNX/IP integration: secure tunnelling, routing, Hue v2, context synchronisation, watchdogs, diagnostics, and more—ready for real projects.
Supported technologies
Native ETS-style tunnelling with automatic reconnect, multi-session safety, and high-performance telegram streaming.
Supports multicast routing across KNX/IP routers with throttling and storm protection for large sites.
Full handshake, certificate, and session key handling for both tunnelling and group-address secured payloads.
Advanced Hue v2 API integration with scene recall, effects, gradient fixtures, and KNX/Hue state synchronization.
Node list
Primary runtime node to send/receive telegrams, build virtual devices, and bridge non-KNX systems.
DocumentationStores gateway credentials and security shared by every runtime node.
Shared configurationAutomatically replies to KNX read requests or keeps virtual datapoints in sync.
DocumentationMirrors selected group addresses into the Node-RED global context.
DocumentationLive dashboard to inspect telegrams and decoded values in real time.
DocumentationWatches the bus, sends alerts, and can fail over to backup gateways.
DocumentationRaises visual or audio alarms when monitored addresses hit critical events.
DocumentationCoordinates heavy loads to prevent the main breaker from tripping.
DocumentationManages gate and door logic with impulse control, feedback, and interlocks.
DocumentationMaps Home Assistant services to KNX group writes via flexible tables.
DocumentationCommercial companies using KNX-Ultimate
These companies rely on KNX-Ultimate in production environments. Want your logo here? Get in touch.
Friendly communities around the world
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Your donation funds new hardware test benches, multilingual documentation, and the countless hours spent keeping releases rock solid. If KNX-Ultimate saves you time on the job, consider giving back—even a small tip keeps the project healthy.
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KNX-Ultimate is crafted with Italian passion for detail and reliability. Every release is hand-tested on real installations, combining craftsmanship with a KNX workflow honed on real projects.
Officially recognized for compliant KNX integrations.
*The author Massimo Saccani has been authorized to use the KNX logo.
Forks
of the knx-ultimate node are not implicitly allowed to use the KNX logo.