🖼️ Managing Student Photos
The system can display a student’s photo when they tap their card. This guide explains how to add and name these photos.
📂 Where to Store Photos
All photos must be placed in the following folder on the system: /var/lib/iiitk-nfc/images/
🏷️ How to Name Photos
The system uses the Student ID to find the correct photo.
- Naming Rule:
STUDENT_ID.png - Example: If the Student ID is
2021KUEC2001, the photo file must be named2021KUEC2001.png.
📏 Image Requirements
For the best appearance on the Kiosk screen:
- Format:
.png(Recommended) - Shape: Square (e.g., 200x200 pixels or 400x400 pixels).
- Size: Try to keep file sizes small (under 500KB) to ensure they load quickly.
🔄 Updating a Photo
To update a student’s photo, simply replace the old file in the images folder with a new one using the same name. The system will automatically show the new photo the next time the student taps their card.
👤 Default Photo
If a student does not have a photo in the folder, the system will show a default “Generic User” icon.

