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Meshtastic CalTopo Bridge

Project information

A Python bridge that connects to a local Meshtastic gateway (via BLE or USB serial) and forwards mesh node position updates to CalTopo Team Shared Locations (online).

Designed to show all heard Meshtastic nodes as dots in CalTopo under Realtime Data → Shared Locations, so you can then choose which tracks to Record to Map on a saved map.

Requirements: CalTopo Teams account + Team Shared Locations Connect Key, and an active internet connection. Includes a first-run setup wizard (./start.sh) that generates config.yml and supports serial, ble, or auto (prefer serial, fallback to BLE).

meshtastic CalTopo

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Created on

December 31, 2025

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