Some boards have a Can Bus output

Unlike other silk filaments

specially designed for Ender-3 3D printers

All you need is an internet connection

Bambu Lab - AMS Lite - Automatic Material System Special Filament Some boards have a CanBambu Lab AMS Lite Automatic Material System Optimize your 3D printing with AMS Lite, an advanced material management solution designed specifically for the Bambu Lab A1 series. Print with up to 4 different colors or filament types. Built in filament run out sensor and automatic switching to another roll with the same properties color if a roll runs out. Multi Color Multi Material capacity Automatic Filament Backup Improved coil compatibility Easy