Visual LCC/OpenLCB Configuration Tool for Model Railroads
Bowties transforms complex LCC (Layout Command Control) event configuration into simple visual workflows. Understand your existing layout at a glance and navigate node configuration—no protocol expertise required.
- Download and install — pre-built installers for Windows and Linux.
- Connect and explore — connect to your LCC network, discover nodes, view and edit configuration, and explore the Bowties event map.
- Connects to your LCC network via TCP hub (JMRI, port 12021) or direct USB-to-CAN adapter
- Discovers every node on the network and shows manufacturer, model, and status
- Displays full node configuration using a sidebar and card-based CDI browser — read and write any setting
- Maps event producer/consumer relationships across all nodes in the Bowties view
- Links events between nodes: click + New Connection, pick a producer and a consumer, and Bowties writes the matching event ID to the node
| Connection type | Examples |
|---|---|
| TCP hub | JMRI (port 12021), any GridConnect TCP bridge |
| USB GridConnect serial | SPROG CANISB, SPROG USB-LCC, RR-Cirkits Buffer LCC, CAN2USBINO |
| USB SLCAN | Canable, Lawicel CANUSB, any slcand-compatible adapter |
See docs/project/development.md for full details on building, testing, architecture, project principles, and contributing.
Quick reference:
cd app && npm install
npm run tauri dev # development build with hot-reload
npm run tauri build # production build- Developer Guide — build, test, architecture, contributing
- Releasing — version bumps, tagging, GitHub Actions workflow
- Feature Roadmap — development timeline and priorities
Licensed under either of
at your option.