E-PAPER DEPARTURE BOARD / ESP32 APPLICATION
Kraków Departure Board
Departure board for MPK Kraków. Built with ESP32 (ESP-IDF), TTSS API, and e-paper display.
About this project
About this project
Live departure times for Kraków's MPK on a 4.2-inch 400x300 e-paper panel wired to an ordinary ESP32. The Waveshare e-paper library, made for Raspberry Pi and Jetson, was ported down to ESP-IDF and split into components for the panel, HTTP and JSON, NTP and Wi-Fi; a finite state machine recovers from errors and an MVC split keeps layout away from data. Wi-Fi is provisioned from the ESP SoftAP Provisioning phone app after reading a PIN off the screen, and a button held at boot wipes NVS. It was written as a university project, and the build instructions ask for a large single-app partition and for skipping TLS certificate verification against the MPK API, marked as testing only.
From the README
From the README
- Display
- 4.2" E-paper E-Ink 4,2" 400x300px with SPI - Waveshare 13353
- Feature
- Downloads live departure data from MPK Kraków
- Build
- idf.py -p PORT flash monitor
- Limit
- Skip server certificate verification by default
Hardware
Boards: ESP32
ESP32-class board. Verify the exact board revision, display, power source and wiring in the upstream build guide.
Media credit & rights
Upstream project media · rights remain with its owner · Credit: jludzik
Screenshots from the upstream README. Code and firmware were not executed. License notices are included.
View original source ↗ Copyright & removal · Reviewed
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