STMicroelectronics X-NUCLEO-GFX02Z1 Display Expansion Board is used to add a graphic user interface (GUI) to STM32 Nucleo-144 boards. The board features a 2.2″ 8-bit parallel interface TFT display, and a 64-Mbit Q-SPI NOR Flash memory for storing graphic images, texts, and textures. The expansion board also offers a joystick for GUI navigation.