Observed arrival · 2026-11-08

Comet: a LoRa handheld with maps, books and mesh

cometmesh.org Visit website

Editorial interest 78/100 Selection signal · not a rating of the site

Comet is open-source firmware for LoRa handhelds, combining MeshCore messaging with offline maps, ebooks and audiobook playback.

Landing page captured for the 2026-11-08 issue.

For: People using screen-and-keyboard LoRa handhelds
Worth noticing: It builds on MeshCore and supports EPUB, Audiobookshelf, SD-card MP3 playback, offline map tiles and USB file transfer.

Field notes

The homepage describes companion-app connections over Bluetooth, Wi-Fi, or USB, plus USB access to the SD card through a browser. Audiobooks can be streamed through an Audiobookshelf client, downloaded for offline listening, or played from MP3 folders on the card. Installation is offered through a browser or esptool, and a linked board list describes device-specific support.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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