2024 — present · Live · open source

E-Paper Weather Station

A Wi-Fi weather display with a 4.2-inch e-paper screen, Open-Meteo data, and web-based configuration.

Hardware
Open source

Screens and demos

E-paper weather station displaying the Santa Clara forecast — Current conditions and a compact 24-hour forecast.

E-paper weather dashboard configured for London — The same dashboard configured for another location.

This weather display runs on the 4.2-inch Elecrow CrowPanel ESP32-S3. The e-paper screen stays readable in daylight and does not need power to hold an image.

Hardware: Elecrow CrowPanel ESP32-S3, 4.2" e-paper (SSD1683, 400×300)
Built with: PlatformIO, Arduino framework, GxEPD2
Weather data: Open-Meteo — free, no API key
Configuration: Web-based location config; OTA firmware updates
Debugging: On-device screenshots

Features

No API key. Weather data comes from Open-Meteo without registration.
Always connected. The panel stays on the network and can receive OTA updates at any time.
Remote screenshots. I can view the exact framebuffer over Wi-Fi while working on the layout.
Web configuration. The location can be changed without development tools.