This project based on HAL library. Project was created in Attolic Truestudio IDE. The hardware is a stock STM32446RE-NUCLEO development board from stmicroelectronics. This example NO use touchscreen input. The application was created for RGB LEDs. GUI executing is in a superloop and the user interface is an encoder The used window layout was created with stemwin's GUIbuilder application. The main task contains some trick how you can customize the widgets.