The NX3224T024 is a NEXTION family display which differs from the traditional displays due to the presence of a microcontroller, a flash memory, a slot for SD card containing the firmware of your project, a 4-pin TTL serial interface and a free software (Nextion Editor) made specifically to draw the graphic part (buttons, progress bars, images, text, etc.). It has a 4 MB flash memory, a 2.4 “resistive touch screen, a resolution of 320
