This video shows a demo of Slint, the cross-platform toolkit for embedded devices and desktop applications.
The printer demo is running on an Raspberry Pi Pico MCU: a RP2040 ARM Cortex M0 with 264K of RAM and 2M of flash, attached to a 320x240 waveshare display connected via SPI
More info on https://slint-ui.com/blog/porting-sli...