PicoCam 1.5.0

• Power-cut safe SD card. On boards that boot from a microSD card the system partition is now read-only from power-on, so
  pulling the power can no longer damage the operating system. Recordings and event pictures get their own partition in the
  part of the card the Luckfox image left unused (it used only about 7 GB of a 32 GB card). That partition is checked and
  repaired at every start. The installer sets this up by itself and restarts once. System > Maintenance > Power-cut
  protection switches it off and on.
• Less wear on the card: with recording off, the card now sees no writes at all. Settings are written only when you save
  them, and logs stay in RAM.
• Cards set up by an earlier test build, where the system partition fills the whole card, keep working as before. The
  Storage page explains how to re-flash for the new layout (docs/INSTALL.md, "Power-cut safe SD card").
• Leaner and safer: the vendor time daemon (PicoCam keeps the clock itself) and the telnet server (root login in plain
  text) are switched off, which frees about 1 MB of RAM. uninstall.sh puts everything back.

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Install: picocam/tools/deploy.sh (Linux/macOS/WSL) or picocam\tools\deploy.ps1 (Windows). Boards with little flash: add --lite / -Lite.
Files: picocam.tar.gz (firmware + demo models), picocam-lite.tar.gz (no models), picocam-models.tar.gz (models only), SHA256SUMS.
Verify a download: sha256sum -c SHA256SUMS, or gh attestation verify picocam.tar.gz --repo anand34577/luckfox-picocam.
See the install guide.

PicoCam 1.4.1

• Fixes the board freezing with 1.4.0 (no blinking light, "USB device not recognized" on the PC). The RGA on the RV1103/RV1106 has
  no MMU and can only read pictures in media memory; 1.4.0 handed it the AI's copy of the frame in ordinary memory, the kernel driver
  failed and damaged kernel memory, and the board locked up shortly after start. The AI picture now goes into a media-memory buffer
  the RGA can read, so RGA preprocessing works and takes about 1 ms (AI thread CPU about 2% instead of 12% on the CPU path). When no
  media memory is free for it, the AI prepares the picture on the CPU, and AI & Analytics says why.
• Installer: no longer reports "0 MB free" and stops when the storage name is long enough for df to wrap its line. The deploy
  scripts and doctor.sh read free space the same way.
• Picture right away: RTSP players, NVRs and the web live view now get their first picture in about 0.1 s instead of waiting up
  to 2 s for the next keyframe. The sub stream's encoder refused the immediate keyframe request and the error went unnoticed.
• Less CPU per frame: the RGA also copies the AI's frame out of the capture buffer (checked once, CPU fallback), and the exposure
  statistics take a quarter of the time they did. The capture thread now needs about 3.5 ms of its 66 ms per frame.
• Dashboard: NPU load is shown again (it was read from a place these boards don't have), with new tiles for the RGA, PicoCam's own
  CPU share, the CPU clock and the capture thread. The load average is explained: about ten idle Rockchip driver threads always
  count towards it, so it is not CPU use.
• Time sync without DNS: when the camera cannot resolve the NTP server, the log says so once instead of every 2 minutes, and
  retries slow down to every 30 minutes.

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Install: picocam/tools/deploy.sh (Linux/macOS/WSL) or picocam\tools\deploy.ps1 (Windows). Boards with little flash: add --lite / -Lite.
Files: picocam.tar.gz (firmware + demo models), picocam-lite.tar.gz (no models), picocam-models.tar.gz (models only), SHA256SUMS.
Verify a download: sha256sum -c SHA256SUMS, or gh attestation verify picocam.tar.gz --repo anand34577/luckfox-picocam.
See the install guide.

PicoCam 1.4.0

• No more green picture or dead exposure after a settings change. Saving Video & Audio settings, changing an AI model or a
  scheduled AI profile restarts the video; the camera's colour and exposure engine now restarts with it in the order the chip needs,
  so the picture comes back right instead of green with frozen exposure until a reboot.
• Self-healing picture: if the picture still turns green, exposure stops reacting, or the image processor stops answering, the
  camera restarts its video pipeline by itself (a few seconds' break, with growing pauses if it keeps happening) and records it in the
  audit log. Image > status shows the picture health. A video pipeline that fails to start no longer stays dead: the watchdog resets
  the board.
• Steadier Smart Exposure: corrections are judged only on pictures taken after the previous one took effect, a passing car or
  headlight no longer moves the whole scene, brightness is measured more finely, and the exposure boost no longer builds up at night
  (mornings no longer start over-exposed). Auto anti-flicker also switches off in bright daylight.
• Manual white balance no longer drifts with every slider move: the sliders scale the colours auto white balance had settled on.
• Less RTSP delay: a viewer that falls behind skips to a fresh picture once about 0.4 s is waiting (counting what the network
  stack holds too) instead of building up 2-3 s. For the lowest delay also set the player's own buffer low (VLC: Network caching 200 ms).
• Faster AI on the same NPU: the picture is scaled and converted for the model by the RGA 2D engine instead of the CPU, checked
  against the CPU result on first use, with automatic CPU fallback (ai.preprocess: auto or cpu). AI & Analytics shows the time
  spent preparing the picture and on the NPU.
• On-screen text: one switch turns off the timestamp and camera name together. Turning "Burn AI boxes into the sub stream" on or
  off no longer restarts the video, and the web live view no longer draws a second set of boxes on a sub stream that has them burned in.
• Sign-in: you are no longer logged out when the camera sets its clock (from NTP or the browser) after a reboot.

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Install: picocam/tools/deploy.sh (Linux/macOS/WSL) or picocam\tools\deploy.ps1 (Windows). Boards with little flash: add --lite / -Lite.
Files: picocam.tar.gz (firmware + demo models), picocam-lite.tar.gz (no models), picocam-models.tar.gz (models only), SHA256SUMS.
Verify a download: sha256sum -c SHA256SUMS, or gh attestation verify picocam.tar.gz --repo anand34577/luckfox-picocam.
See the install guide.

PicoCam 1.3.0

• EdgeAI server: an API for your own application. Every face and vehicle detection comes with its pictures (whole frame, cropped
  face, cropped plate, cropped vehicle), the person's name once saved, and the plate number with its validity and confidence. People,
  vehicles (one per plate, with owner, label and an allow/block flag), reports, per-camera timelines, CSV export and webhooks are
  available over REST. The full reference is in docs/API.md, and the server serves an OpenAPI spec at /api/v1/openapi.json.
• Alerts: rules send a message to Telegram, ntfy, email or any web address when a blocked plate or an unknown face is seen,
  at certain hours, or when a camera goes offline, runs hot or the server disk fills up. Each rule has a cooldown so one visitor is one alert.
• Housekeeping: automatic cleanup by age and by disk size (named people and labelled plates are kept longer), a backup download,
  an audit log of changes, and a call that erases a person or a plate completely.
• Safer access: several API keys with read-only or admin rights and an expiry, a sign-in page for the dashboard, expiring signed picture
  links, and a limit on wrong-key attempts. The server still starts open unless you give it -api-key.
• Firmware: the heartbeat to the EdgeAI server also reports temperature, CPU and NPU load, which the new health alerts use.
  Nothing changes on the camera when EdgeAI is off.

---

Install: picocam/tools/deploy.sh (Linux/macOS/WSL) or picocam\tools\deploy.ps1 (Windows). Boards with little flash: add --lite / -Lite.
Files: picocam.tar.gz (firmware + demo models), picocam-lite.tar.gz (no models), picocam-models.tar.gz (models only), SHA256SUMS.
Verify a download: sha256sum -c SHA256SUMS, or gh attestation verify picocam.tar.gz --repo anand34577/luckfox-picocam.
See the install guide.

PicoCam 1.2.3

• Docs: the screenshots, banner and social preview show a real street photo instead of a drawn scene, so the AI boxes and plate
  reads look the way they do on a real camera. The photo is a Pexels stock image (credited in NOTICE.md), not PicoCam footage; its
  number plates are covered with fictional ones. No firmware or web UI changes.

---

Install: picocam/tools/deploy.sh (Linux/macOS/WSL) or picocam\tools\deploy.ps1 (Windows). Boards with little flash: add --lite / -Lite.
Files: picocam.tar.gz (firmware + demo models), picocam-lite.tar.gz (no models), picocam-models.tar.gz (models only), SHA256SUMS.
Verify a download: sha256sum -c SHA256SUMS, or gh attestation verify picocam.tar.gz --repo anand34577/luckfox-picocam.
See the install guide.

PicoCam 1.2.2

• Safer downloads: the deploy scripts verify the download against the release's SHA256SUMS. Releases carry a build provenance
  attestation (gh attestation verify picocam.tar.gz --repo anand34577/luckfox-picocam).
• Small flash: the deploy scripts pick where to unpack by free space (/userdata, else RAM, else a clear message) instead of failing
  half way. The log kept in flash is now capped (30 lines per 5 minutes) and the known-good settings copy is only rewritten when it changed.
• Tested end to end on a fake board in CI: deploy.sh through a fake ssh into the installer, including the low-space fallback and the
  models-only path. deploy.ps1 was checked against a fake ssh on Windows. Unit tests for the board detection and sensor limits.
• Project hygiene: bug and feature templates, pull request checklist, Dependabot for Actions and npm, private vulnerability reporting,
  .editorconfig, current Action versions, and a CI check that VERSION, package.json and this changelog agree.
• Docs: screenshots of the first-run screens, and the password rule (8+ characters, letters and digits).

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Install: picocam/tools/deploy.sh (Linux/macOS/WSL) or picocam\tools\deploy.ps1 (Windows). Boards with little flash: add --lite / -Lite.
Files: picocam.tar.gz (firmware + demo models), picocam-lite.tar.gz (no models), picocam-models.tar.gz (models only), SHA256SUMS.
Verify a download: sha256sum -c SHA256SUMS, or gh attestation verify picocam.tar.gz --repo anand34577/luckfox-picocam.
See the install guide.

PicoCam 1.2.1

• Documentation rewritten for first-time users: a step-by-step install and flashing guide (Windows, Linux, macOS notes, USB driver, SPI NAND /
  eMMC / SD), a user guide with pictures of every page, an FAQ, a troubleshooting guide, and pages on connecting other software, AI models and
  boards. The same pages are published to the project wiki.
• Releases are built by GitHub Actions. Pushing a version tag builds the firmware and web UI from source at pinned SDK revisions, runs the
  tests and publishes picocam.tar.gz, picocam-lite.tar.gz, picocam-models.tar.gz and SHA256SUMS.
• Easier install: the deploy scripts need one password prompt, ignore stale SSH host keys, check the download, and explain every failure in
  plain words. deploy.sh --models / deploy.ps1 -Models add the ready-made AI models to a lite install.
• doctor.sh on the board: a self-check that names the likely cause of a problem, plus reset-password and factory-reset recovery commands.
• Installer fixes found by simulating it on a fake board: installing the lite package no longer fails; the patched vendor launcher is
  syntax-checked before it replaces the original; the Ubuntu image is refused with an explanation; a missing device-tree file no longer aborts it.
• UI: the phone header no longer squeezes the page title; System > Overview shows memory and boot flash; a demo mode (npm run mock) shows the
  web UI without a board.
• Demo screenshots, banner and social preview are generated from made-up data; no real footage is in the repository.

---

Install: picocam/tools/deploy.sh (Linux/macOS/WSL) or picocam\tools\deploy.ps1 (Windows). Boards with little flash: add --lite / -Lite.
Files: picocam.tar.gz (firmware + demo models), picocam-lite.tar.gz (no models), picocam-models.tar.gz (models only), SHA256SUMS.
See the install guide.

PicoCam 1.2.0

Runs on the whole Luckfox Pico family (RV1103/RV1106) with SPI NAND, eMMC or SD boot, detected at run time. The USB address is now editable in the UI, SPI NAND boards keep event pictures in RAM without an SD card, and the installers (tools/deploy.sh, tools/deploy.ps1) need only ssh.

Assets: picocam-1.2.0.tar.gz (with demo models, RV1103 build) and picocam-1.2.0-lite.tar.gz (no models, for small flash).

Verified: firmware cross-compiles, host self-test passes, web UI type-checks. Not yet verified on hardware beyond Pico and Pico Plus; see docs/BOARDS.md.