Lilygo-T5 Rain Graph

Weather precipitation graph using Lilygo T5 2.13" ESP32 E-paper screen. This project displays a precipitation forecast for the next 90 minutes using data from YR.no.

Hardware Requirements

• Lilygo T5 2.13" ESP32 E-paper display

Software Setup

1. Install VS Code

2. Install PlatformIO IDE extension for VS Code

3. Clone this repository

4. Create a src/config.h file based on the provided src/example.config.h

5. Open the project in VS Code:

   • File > Open Folder > Select the project folder
   • PlatformIO will automatically install all required dependencies defined in platformio.ini

6. Customize your configuration in src/config.h:

   • Modify the USER_AGENT and add a link to your GitHub profile to properly authenticate with YR.no
   • Set SHOW_GRAPH_ON_NO_PRECIPITATION to liking
   • Set SHOW_BATTERY_INDICATOR to liking

7. Build and Upload:

   • Click the PlatformIO "Upload" button
   • Select the appropriate port when prompted

Usage

Once uploaded, the device will prompt you to connect to Wi-Fi. Once connected, it will fetch precipitation data from YR.no, and display a graph showing the precipitation forecast for the next 90 minutes.

Development

The project uses PlatformIO for dependency management and building. Key dependencies include:

• QRcodeDisplay
• Adafruit GFX Library
• GxEPD2
• WiFiManager
• ArduinoJson
• Time

Contributing

Feel free to open issues or submit pull requests to improve this project.

License

This work is licensed under Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International

Attributions

• Weather data provided by the Norwegian Meteorological Institute. Used under the CC BY 4.0 license.