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WebSerial
github-actions[bot] edited this page Apr 26, 2026
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2 revisions
WebSerial shows the live firmware log in the browser.
Open:
/webserial
or use the Web Serial menu entry when available on your device.
| Button | Description |
|---|---|
| Clear | Clear the visible log window |
| Auto Scroll | Keep the newest log lines visible |
| Timestamp | Add browser-side timestamps to displayed lines |
| Reconnect | Reconnect the WebSerial websocket |
| Send | Send a command through the WebSerial input when supported |
Use WebSerial for:
- BLE scan and connection problems.
- Wired BMS parser or timeout problems.
- MQTT connection problems.
- OTA update status.
- License and control write checks.
- WebSerial is only available on firmware variants that include it.
- If WebUI authentication is configured, WebSerial uses the same login.
- Keep logs short when reporting issues and include the BMS type, link type and firmware version if available.
Questions, bugs or device reports: please use the GitHub issue tracker.