DAILY POSTER DISPLAY / ESP32 APPLICATION
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emini.ink Home: a calm, four-colour poster of your day for the ZECTRIX NOTE4C e-paper devkit. Weather, one headline, your note, the sky and the air. ESP-IDF firmware, set…
About this project
About this project
A fridge-door poster for the ZECTRIX NOTE4C devkit: weather, one headline, a personal note, sky and air quality, laid out with only black, white, red and yellow pigments on a 400 × 300 panel. There is no grey, so the renderer dithers the four colours in patterns; coloured patterns never go finer than 2 pixels, and yellow needs two pixels to exist at all. Weather comes from MET Norway, air quality and pollen from Open-Meteo's Air Quality API, headlines from BBC World by default or any HTTPS RSS/Atom feed. Everything is set up from a phone browser over a temporary setup Wi-Fi with a pairing code, no app and no account. The default Breath power mode switches Wi-Fi on about twice an hour, so the panel only answers for five minutes after the OK button. Version 0.6.2 is final, tested on one unit, and updates go over USB only.
From the README
From the README
- Display
- the NOTE4C's 400 × 300 display, using its black, white, red and yellow pigments
- Feature
- Coloured patterns are never finer than 2 pixels
- Dependency
- Weather data from [MET Norway]
- Setup
- You set it up in your phone's browser, without an app or an account.
- Limit
- There is no over-the-air update mechanism.
Hardware
Boards: ESP32
Supported hardware: ESP32. Confirm the exact board revision and pin map in the upstream repository.
What the source supports
Upstream evidence: Reviewed from public README media at commit c1ad29869c2a under MIT. Firmware was not executed.
Media credit & rights
Upstream project media · rights remain with its owner · Credit: fiedoruk
Screenshots decoded from the upstream README at a pinned commit. Repository code and firmware were not executed; the license texts are included in the preview package.
View original source ↗ Copyright & removal · Reviewed
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