Project Aura v1.1.5

Project Aura v1.1.5

Release date: 2026-05-28

Highlights

• Promoted the post-1.1.4 work into a stable 1.1.5 release.
• Added dedicated optional gas UI screens and charts for the DFRobot optional gas slot.
• Optional gas sensors are now visible in the main dashboard, device info flow, boot diagnostics, and chart views.
• Added custom display thresholds so users can tune warning levels for their own environment.
• Display thresholds are now applied consistently to status warnings, dashboard state, and chart/status presentation.
• Added MQTT TLS / SSL support with CA certificate configuration for TLS-enabled brokers.
• Added an SFA40 diagnostics page and JSON debug endpoint for easier troubleshooting of formaldehyde sensor setups.

Optional Gas UI and Dashboard

• Added optional gas info screens for NH3, SO2, NO2, H2S, and O3.
• Added optional gas chart support and tuned chart scaling / axis behavior for each gas type.
• Fixed optional gas tile navigation from the dashboard.
• Added optional gas state visibility during boot diagnostics.
• Exposed HCHO sensor state to the dashboard so SFA30/SFA40 status is clearer.

Custom Display Thresholds

• Added a DisplayThresholds manager with persisted custom threshold settings.
• Added web API support for reading, updating, and resetting threshold configuration.
• Added dashboard state output for active threshold values.
• Applied display thresholds to background/status warnings.
• Fixed threshold label synchronization and custom threshold behavior.

MQTT and Security

• Added MQTT TLS CA certificate support for brokers that require TLS certificate validation.
• Hardened MQTT TLS certificate handling.
• Updated the MQTT setup documentation with TLS broker guidance.
• Avoided exposing the MQTT password on the settings page after it has been saved.

SFA30 / SFA40 Improvements

• Added a dedicated SFA40 diagnostics page and /api/debug/sfa40 JSON endpoint.
• Improved SFA40 debug reporting with active sensor path, local humidity/temperature state, and last measurement frame details.
• Quieted expected SFA30 absent-probe warnings.
• Kept HCHO warmup value labels stable and non-localized where needed.

UI and Stability

• Refined main UI indicator styling.
• Added missing Chinese glyph coverage.
• Refactored optional gas chart axis configuration and info graph overlays.
• Isolated build ID generation from release version metadata.

Notes

• This release is built from the current main branch after the 1.1.5 beta cycle.
• OTA update keeps user settings.
• WebUI localization is still English-only.
• Stable v1.1.5 OTA dashboard asset: project_aura_1.1.5_ota_firmware.bin.

Internal note:

• Full installer binaries and manifests are generated for the private web installer workflow.

Beta test firmware

• project_aura_1.1.6-beta-c61c357_ota_firmware.bin is a beta OTA firmware build from main commit c61c357 for MQTT stale-session recovery testing (#125) and optional DFR gas precision / SEN0472 O3 validation (#96).
• Optional DFR gas readings remain in ppm; values below 1 ppm can now show two decimal places, while values at or above 1 ppm use one decimal place.
• project_aura_1.1.6-beta-22de4e7_ota_firmware.bin is a beta OTA firmware build from main commit 22de4e7 with SD card support for daily history storage, SD card dashboard status/actions, and CSV export.
• Use beta files only if you want to test beta fixes; the stable v1.1.5 OTA file remains project_aura_1.1.5_ota_firmware.bin.

Project Aura v1.1.4

Project Aura v1.1.4

Release date: 2026-05-02

Highlights

• Added a generic optional DFRobot electrochemical gas slot at I2C address 0x75.
• Supported optional DFRobot modules now include SEN0469 NH3, SEN0470 SO2, SEN0471 NO2, SEN0467 H2S, and SEN0472 O3. One optional gas module can be installed at a time.
• Added a 180 degree screen flip setting for inverted mounting, including matching touch-coordinate handling.
• Improved RTC handling for new or unset RTC modules. Aura now reports an unset clock as a setup state instead of treating it like a hardware fault.
• Added the Europe/Berlin timezone with DST support.
• Improved SFA30/SFA40 startup and warm-restart behavior.

Sensor Improvements

• Refactored the DFRobot CO driver into a shared DFR multi-gas driver used by SEN0466 CO and the optional gas slot.
• Added passive-mode setup, warmup/cooldown handling, present grace, limited absent retries, and safer recovery behavior for DFR gas sensors.
• Added gas-type validation so a module installed in the wrong slot is reported clearly instead of publishing misleading readings.
• Added per-sensor ppm ranges for optional gases: NH3, SO2, NO2, H2S, and O3.
• Added compatibility for DFRobot firmware variants that use different checksum lengths.
• Boot diagnostics now shows the actual HCHO sensor variant instead of a generic HCHO status.
• Reduced I2C pull-up strength and quieted expected SFA40 fallback probe noise.

MQTT and Home Assistant

• Added MQTT/Home Assistant discovery for optional gas values: nh3, so2, no2, h2s, and o3.
• Added generic optional-gas state/type data so integrations can see which optional module is currently detected.
• Kept existing SEN0466 CO publishing behavior while moving it onto the shared DFR driver.

UI and Settings

• Added the 180 screen flip control to the theme screen.
• Fresh installs now correctly show the default Industrial Amber theme preset as selected.
• RTC UI/status handling now distinguishes unset time from invalid RTC hardware state.
• Date/time handling now prefers named timezones while preserving compatibility with older timezone index configs.

Documentation and Tests

• Updated README hardware documentation for optional DFR gas sensor support.
• Added dedicated tests for the optional DFR gas driver.
• Added and expanded tests for SFA30, SFA40, SensorManager, MQTT payloads, RTC unset handling, and timezone migration.
• Updated the release metadata flow for stable semver versioning.

Notes

• For optional DFR gas modules, set the module I2C address to 0x75.
• A new RTC can show as time unset until NTP sync or manual time setup initializes it. This is expected and no longer treated as a board fault.
• New feature work after this release should go into the next 1.1.5-beta cycle.
• WebUI localization is still English-only.

Release assets to publish

• OTA dashboard asset only:
  • project_aura_1.1.4_ota_firmware.bin

Internal note:

• Full installer binaries and manifests are generated for the private web installer workflow.

Project Aura v1.1.3

Project Aura v1.1.3

Release date: 2026-04-08

Highlights

• Added support for the DFRobot Gravity SFA40 HCHO sensor. Aura now auto-detects SFA30/SFA40 variants and handles SFA40 warmup/startup behavior.
• Added MSL pressure support. Station altitude can be set from the device UI, and pressure can now be displayed as sea-level corrected pressure for weather comparison.
• MSL pressure is also used by the WebUI dashboard/charts and by Home Assistant/MQTT when altitude is configured.
• Added a separate Home Assistant/MQTT pressure_absolute entity while keeping the existing pressure entity as the main pressure value.
• Added Australia/Brisbane timezone with fixed AEST / UTC+10 and no daylight saving time.

Improvements

• CO2 calibration now has a confirmation dialog and visible progress state.
• CO2 ASC changes now show progress and roll back UI/config state if live apply fails.
• 12-hour clock display no longer uses a leading zero, for example 3:00 PM instead of 03:00 PM.
• Settings-related screens now show BACK when there are no pending changes, and SAVE & BACK only when changes need to be saved.
• RTC mode selection now opens correctly from the Date / Time screen.
• Night-mode indicator colors and time layout were refined for better readability.
• README hardware links were refreshed and SFA40 support is now documented.

Fixes

• Fixed OTA UI restore target after a failed upload.
• Fixed a WebUI live-state banner runtime error.
• Increased the HTTP request-header limit for reverse-proxy setups.
• Added background Wi-Fi recovery retry after repeated STA connection failures.
• Fixed pressure delta and graph consistency so MSL values, deltas, charts, WebUI, MQTT, and Home Assistant stay aligned.
• Fixed SFA boot diagnostics so SFA40 warmup is shown as startup instead of a fault.

Notes

• If upgrading directly from a version older than 1.1.2, please re-check your timezone after updating. Timezone storage was migrated to timezone names in 1.1.2, and 1.1.3 adds a new timezone entry.
• WebUI localization is still English-only.

Release assets to publish

• OTA dashboard asset only:
  • project_aura_1.1.3_ota_firmware.bin

Internal note:

• Website installer files are hosted outside GitHub Release.

Project Aura v1.1.2

Project Aura v1.1.2

Release date: 2026-03-28

Highlights

• Web OTA update flow has been hardened significantly. Upload handling is more resilient, failure reporting is clearer, stale/incomplete attempts recover better, and the web UI now tracks OTA outcome more reliably.
• Added realtime AQI in the device UI, web state, MQTT payloads, and Home Assistant integration for a faster overall air-quality view.
• Home Assistant and MQTT integration were expanded with event mirroring, summary sensors, and improved discovery/control behavior.
• Added 12h / 24h clock display support, custom NTP server configuration, and more reliable timezone persistence.
• Diagnostics are easier to use: the log status chip opens the diagnostics page, alerts can be cleared from the screen without losing the underlying history, and diagnostics text is now localized.
• MQTT / Wi-Fi behavior was refined further, including less aggressive sensitivity to short network hiccups and cleaner dashboard wording in STA mode.

Notes

• OTA update keeps user settings.
• Web OTA is much improved, but on very noisy networks browser-upload OTA can still be sensitive to upload-path instability.

Release assets to publish

• OTA dashboard asset only:
  • project_aura_1.1.2_ota_firmware.bin

Internal note:

• Website installer files are hosted outside GitHub Release.

v1.1.1

Project Aura v1.1.1

Release date: 2026-03-16

Status

• This is the latest stable firmware before the public Project Aura release on MakerWorld.
• A lot has changed since v1.1.0; the points below summarize the main user-facing and stability improvements.

Highlights

• Web delivery has been reworked with embedded versioned assets for the Dashboard, Fan Control page, and Theme page, plus multiple transfer hardening improvements for difficult Wi-Fi environments.
• MQTT and Wi-Fi recovery behavior was refined for congested 2.4 GHz networks, with safer reconnect timing and reduced connection pressure.
• RTC support was expanded with DS3231 and PCF8523 autodetection, shared-address fault handling, clearer status visibility, and a manual RTC override mode.
• Sensor and peripheral robustness was improved for SEN66, SFA30, BMP58x/BMP388/BMP390, optional CO sensing, and DAC availability/fault reporting.
• Fan Control received multiple updates including HCHO support in auto mode, restored armed-auto behavior after reboot, synchronized timer presets, improved QR and direct-link access, and better web/UI consistency.
• The UI and web diagnostics flow were improved with a live system log screen, clearer OTA/update states, localized overlays, and more polished AP/STA dashboard behavior.
• Stability work also reduced steady-state memory drift and muted noisy low-level LCD panel I2C logs.

Notes

• OTA update keeps user settings.
• Recommended GitHub release asset:
  • project_aura_1.1.1_ota_firmware.bin

Internal note:

• Website installer files are hosted outside GitHub Release.

v1.1.0

Project Aura v1.1.0

Release date: 2026-02-22

Highlights

• New integrated web dashboard at /dashboard with tabs for Sensors, Charts, Events, Settings, and System.
• OTA firmware update from the web dashboard (Settings/System -> Update Firmware) using uploaded .bin files.
• Device UI now switches to a dedicated firmware update page during OTA to avoid a "frozen" screen impression.
• OTA flow hardened with upload lifecycle handling (begin/write/end/abort) and OTA slot size checks.

Notes

• OTA update keeps user settings.
• Full web installer flow still supports complete flashing (bootloader, partitions, app, filesystem).

Release assets to publish

• OTA dashboard asset only:
  • project_aura_1.1.0_ota_firmware.bin

Internal note:

• Website installer files are hosted outside GitHub Release.

---

Test 25.02.2026: verified dashboard + OTA update in STA and AP modes on device.

v1.0.9

Highlights

• Added SEN0466 CO sensor integration with PM4 fallback behavior and improved CO-related status handling.
• Added full DAC fan control subsystem (manual/auto modes, timers, auto-demand by sensor bands).
• Added DAC web control page (/dac) with live state, auto-config editing, and explicit START AUTO/STOP actions.
• Improved MQTT reliability (.local mDNS fallback/cache, stable host buffer handling) and UI diagnostics around LVGL stalls.

What's Changed

• Fix RTC "Lost" status after restart by clearing OS bit by @21cncstudio in #2
• Enable PCF8523 battery switch-over to prevent spurious OS bit by @21cncstudio in #3
• Feature/wifi screen unload by @21cncstudio in #4
• Refactor/UI controller modularization by @21cncstudio in #5
• Refactor/UI controller modularization by @21cncstudio in #7
• Refactor/UI controller modularization by @21cncstudio in #10
• Refactor/UI controller modularization by @21cncstudio in #11
• fix(web): remove misleading MQTT test-connection action by @21cncstudio in #12
• Refactor/UI controller modularization by @21cncstudio in #13

New Contributors

• @21cncstudio made their first contribution in #2

Full Changelog: v1.0.7...v1.0.9

v1.0.7 — Multi‑language UI + RTC warmup fixes

Highlights

• New UI languages: DE, ES, FR, IT, PT-BR, NL, ZH (Simplified).
• Added absolute humidity and pressure delta 24h.
• Improved dew point thresholds and stability.
• Added About overlay in settings.
• SEN66 warmup extended to 300s; RTC init now retries on boot.
• Home Assistant dashboard example included.
• README refreshed with demo video and real device photos.