Communicator flasher

Flash the communicator from your browser.

Plug an ESP32-S3 with an SX1262 radio in over USB and click. Chrome or Edge on a desktop.

This is the communicator, not a node. It does not measure the network and does not earn. Want a node? Node flasher →

Works on

Heltec WiFi LoRa 32 V3
Heltec Wireless Paper
Seeed XIAO ESP32-S3 + Wio-SX1262
LilyGo T3-S3
LilyGo T-Beam S3 Core
RAK3312
Any other ESP32-S3 with an SX1262 the firmware knows — it detects the board itself

Your browser does not support Web Serial. Use Chrome or Edge on a desktop. Flashing requires an HTTPS connection.

Works in Chrome and Edge on desktop (Web Serial). Not available on mobile or in Firefox/Safari.

1Connect the board with a USB data cable (not charge-only).

2Click Flash communicator and pick the serial port. On the first flash, tick Erase device.

3In the Sensmos app: Communicator → Device → pick “Sensmos xxxxxxxx”.

“Erase device” wipes the board and the communicator gets a new ID. Leave it unticked when updating — the ID, name and settings stay.

The app

Chats live in the app

The communicator is the radio; chats, groups and your name live in the Sensmos app. It works without a node — choose “I want to use it without a node (wallet only)” at start.

⬇ Download the app

Android · APK · outside Google Play

How the communicator works →