Description
▸ e.g., This page lists all firmware releases for the LIGO AIR fuel level sensor. The changelog follows the Keep a Changelog standard and uses Semantic Versioning (MAJOR.MINOR.PATCH). Firmware files are distributed via authorized SOJI partners — contact your sales representative for access.
Version History
| Version
|
Date
|
Description
|
| 1.2.0
|
2026-05-01
|
- Added
- ▸ e.g., BLE fast-connect pairing — 60% faster pairing time
- ▸ e.g., Support for external 1-Wire temperature probe
- ▸ e.g., Configurable sampling rate: 1 / 5 / 10 Hz
- Changed
- ▸ e.g., Measurement accuracy improved from ±0.5% to ±0.3% (full-scale)
- ▸ e.g., Sleep-mode power consumption reduced by 15%
- Fixed
- ▸ e.g., Fixed BLE disconnect after 30+ days uptime — see PCN-2025-002
- ▸ e.g., Memory leak in logging subsystem causing reboot every ~14 days
- Security
- ▸ e.g., Updated BLE pairing to LE Secure Connections
- ▸ e.g., Buffer overflow in OTA routine (CVE-2026-XXXX)
- Known Issues
- ▸ e.g., OTA update fails on iOS 17.4.1 — use Android/USB as workaround
- ▸ e.g., Calibration UI button occasionally unresponsive
|
| 1.1.2
|
2026-03-20
|
- Fixed
- ▸ e.g., Hot-fix for boot loop on hardware revision Rev B
- ▸ e.g., Corrected RTC time drift after low-battery event
|
| 1.1.0
|
2026-02-15
|
- Added
- ▸ e.g., Support for Hardware Revision B with improved antenna
- Changed
- ▸ e.g., Default BLE TX power reduced from +4 to 0 dBm
- Fixed
- ▸ e.g., Battery percentage incorrect when below 20%
|
| 1.0.0
|
2025-12-01
|
- Added
- ▸ e.g., Initial production release
- ▸ e.g., BLE 5.0 connectivity
- ▸ e.g., USB configuration interface
|
| 0.9.0
|
2025-10-10
|
▸ e.g., Pre-production beta — engineering samples only
|
Compatibility
| Firmware Version |
Hardware Rev A |
Hardware Rev B |
Hardware Rev C
|
| 1.2.0 |
▸ ✅ Supported |
▸ ✅ Supported |
▸ ✅ Supported
|
| 1.1.2 |
▸ ✅ Supported |
▸ ✅ Supported |
▸ ❌ Not supported
|
▸ e.g., If your firmware version is not listed in the compatibility matrix, contact technical support to confirm which hardware revisions are supported.
- User Guide ▸ e.g., installation and operation manual
- Datasheet ▸ e.g., technical specifications
- PCN List ▸ e.g., notifications of hardware/firmware changes
Document Revision History
| Doc Version |
Date |
Author |
Changes
|
| 1.4 |
2026-05-25 |
▸ e.g., Cuongnv |
▸ e.g., Added v1.2.0 release entry
|
| 1.3 |
2026-03-20 |
[Author] |
Added v1.1.2 hotfix
|
| 1.2 |
2026-02-15 |
[Author] |
Added v1.1.0 release
|
| 1.1 |
2025-12-01 |
[Author] |
Initial release with v1.0.0
|
