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Server: migration 41 drops the pre-widget-system Frame columns (mode/album_id/current_asset_id/queue/calendar_*/whiteboard_*, etc) docs/widgets.md flagged as the deliberately-deferred Phase 6 cleanup, with a raw-SQL backfill safety net for any frame that still somehow lacks a Widget. Also drops legacy_token_enabled and the shared MANAGEMENT_TOKEN fallback it gated in require_device/require_browser -- the per-frame manage_token/device_token flow (and the /m/ page) fully supersede it now; MANAGEMENT_TOKEN's only remaining role is the optional pre-setup claim gate. Confirmed with the maintainer that the deployed frame is already off the shared token before removing the server-side fallback. Firmware: the captive portal's "Access Token" field and its NVS/ build_url plumbing only ever mattered for pointing new firmware at an old pre-multi-frame server -- gone along with the server-side fallback it fed. Version bump to publish the change.
ESPresso Frame
A DIY e-ink photo frame: an ESP32-C6 pulls photos from your Immich library and displays them on a 7.3" full-color e-paper panel, waking on a timer to refresh and spending the rest of its time in deep sleep.
- No cables to a computer, no SD card shuffling. Provisioning is a captive portal with a QR code drawn on the panel itself -- scan, join, fill in your WiFi and server address, done.
- The frame never decodes an image. A small self-hosted server does all the work (pulling from Immich, cropping, dithering, packing into the panel's exact pixel format) and hands the device a stream it can write straight to SPI. The ESP32-C6 has no PSRAM and not much SRAM to spare -- keeping it a dumb display client is what makes that workable.
- Crops toward faces, not just the center, using face bounding boxes Immich already computed for its own People feature -- no bundled face detector.
- Refresh interval and album are configurable from a web UI, no reflashing needed to change them.
Hardware
- ESP32-C6 dev board (8MB flash)
- Waveshare 7.3" E Ink Spectra 6 (E6) panel -- 800x480, 6-color, SPI
See docs/hardware.md for wiring,
docs/architecture.md for how the two halves talk
to each other, and docs/widgets.md for the server's
placeable photos/calendar/whiteboard widget system.
Getting started
server/-- run the FastAPI server first (Docker Compose, points at your Immich instance). Seeserver/README.md.firmware/-- build and flash the ESP32-C6, then scan the QR codes it draws on first boot to provision it. Seefirmware/README.md.
Repo layout
firmware/ ESP-IDF project for the ESP32-C6
server/ FastAPI server: Immich -> crop/dither/pack -> the frame
docs/ Wiring and architecture notes
License
MIT -- see LICENSE. A few small pieces of vendored
third-party code (a QR code generator, a bitmap font table) keep their
own permissive licenses; see LICENSE for details.
Built with substantial assistance from Claude Code.