Loomwave — Firmware Installer

Flash a LoRa node to join a Loomwave cell (902.5 MHz · SF9/BW125). Build 2026-06-13.

The one-click installers need Chrome or Edge on a desktop (they use Web Serial). On phones, or other browsers, use the manual download below instead.

ESP32 boards — one click in the browser

Heltec WiFi LoRa 32 V3

ESP32-S3 + SX1262 · +20 dBm
Use Chrome or Edge on desktop. This page must be served over HTTPS.

Plug it in, click Install, pick its serial port. It auto-resets — no buttons needed.

Station G2

ESP32-S3 + SX1262 · +19 dBm (PA limit)
One-time step first: the Station G2's native USB has no auto-reset. Put it in download mode before installing: hold BOOT, tap RST, release BOOT (or hold BOOT while plugging in the USB). Then click Install.
Use Chrome or Edge on desktop. This page must be served over HTTPS.

nRF52 boards — drag & drop, no tools

Heltec T114

nRF52840 + SX1262 + L76K GPS · +20 dBm
Download .uf2 nrfutil .zip

XiaoGator v0.9

XIAO nRF52840 + E22-900M30S (1 W) + L76K GPS · +22 dBm — external antenna required
Download .uf2 nrfutil .zip

To flash a .uf2:

  1. Double-tap the board's reset button — a USB drive appears.
  2. Drag the .uf2 file onto that drive.
  3. It reboots into Loomwave automatically.