This comprehensive guide represents the second installment in our LVGL 9.0 Embedded GUI Development series, dedicated to demystifying the visual styling and resource systems—the essential toolkit for creating polished, maintainable user interfaces in embedded applications. Throughout this tutorial, we combine theoretical foundations with practical MicroPython implementations, empowering embedded developers to transform interfaces from merely "functional" to genuinely "appealing and maintainable."The article begins with fundamental styling lo...