LighthouseReckoning Brings Lightweight LoRa Mesh Networking to Arduino, ESP32 and RP2040

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A developer has released LighthouseReckoning, an open-source LoRa mesh networking library designed for Arduino-compatible microcontrollers, currently tested on ESP32 and RP2040 with SX126x radios. The library enables multi-hop sensor data routing toward a single Home node without requiring manual route configuration or full network topology awareness. It uses a distance-vector approach where each node tracks neighbors and their hop count to Home, selecting the best next-hop dynamically. Reliability is handled through hop-by-hop confirmations and local retries, rather than a single end-to-end acknowledgment, reducing the coordination burden on the Home node. The full source code, protocol documentation, and field-test data are publicly available on GitHub, with future plans covering security improvements and broader hardware support.

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