Uploaded December 2025 | Updated September 2026, 2 weeks ago

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Go completely off-grid with this powerful GPS tracker built on the ESP32-S3! This project uses LoRa for long-range communication and features a custom LVGL map engine that displays real-time, zoomable local maps right on the device—no internet required. Track multiple devices simultaneously, monitor distance, and get audio alerts if they wander too far. A fully portable, open-source solution for off-grid mapping and tracking.

[ESP32-P4 4-Inch Round Display]
waveshare.com/esp32-p4-wifi6-touch-lcd-3.4c.htm?&aff_id=116255

[ESP32-S3-Touch-LCD-3.49]
waveshare.com/esp32-s3-touch-lcd-3.49.htm?&aff_id=116255

[Reyax RYLR998 Amazon]
amzn.to/4oZkPKC

[Reyax RYLR998 Digikey]
digikey.com/en/products/detail/reyax/RYLR998/22078252?s=N4IgjCBcoLQBxVAYygMwIYBsDOBTANCAPZQDaIArACxwDsIAugL4tA

[Waveshare LC76G Module]
waveshare.com/lc76g-gnss-module.htm?&aff_id=116255

[Offline Map Downloader]
github.com/0015/OfflineMapDownloader

[LVGL Map Tile Converter]
github.com/0015/map_tiles/tree/main/script

[Map Tiles Component for LVGL 9.x]
components.espressif.com/components/0015/map_tiles

[Map Tiles Projects]
github.com/0015/map_tiles_projects