A Raspberry Pi 4 can be turned into a standalone barcode scanner with a small headless C++ program: it grabs frames from a USB webcam with Video4Linux2 (V4L2), decodes them with the Dynamsoft Capture Vision C++ SDK, and shows the result on an optional SSD1306 OLED display or on the...

Qt Designer is a powerful tool for creating cross-platform graphical user interfaces (GUIs) using Qt widgets. In this guide, we’ll use Qt Designer to develop an advanced GUI for a Python-based barcode and QR code reader, leveraging the Dynamsoft Python Barcode SDK. This application will be compatible with Windows, Linux,...

If you’re aiming to develop a cross-platform GUI application using Python and Qt, your primary options are PyQt and PySide. Both offer Qt bindings for Python, but they differ mainly in licensing: PyQt5 requires either a GPL or a commercial license, while PySide6 is licensed under LGPL, making it more...