LCC SIG

Resources

Standards documents, community projects, and reference material for the LCC ecosystem.

Standards & Specifications

NMRA LCC Standard

NMRA LCC Page Standard

The official NMRA page for Layout Command Control, including ratified standards documents, S-9.7 series specifications, and technical references.

nmra.org/lcc ↗

Community & Development

OpenLCB

OpenLCB.org Community

The primary community hub for OpenLCB development — the open source initiative underlying the NMRA LCC standard. Hosts protocol documentation, reference implementations, working group notes, and developer resources.

openlcb.org ↗

Discussion & Support

Mailing List

LCC Mailing List on Groups.io Mailing List

The primary discussion list for LCC users and developers. A good place to ask questions, share projects, and stay current with developments in the LCC ecosystem. Open to all interested parties.

groups.io ↗

Have a resource you'd like to see listed here? Reach out via the LCC mailing list and let us know.