Flsun S series and T series utilizes an open-source firmware architecture based on Klipper, integrated with Moonraker and Mainsail to enable high-performance print control and web-based management.
klipper:
https://github.com/Klipper3d/klipper
moonraker:
https://github.com/Arksine/moonraker
mainsail:
https://github.com/mainsail-crew/mainsail
Username: pi
Password: 1