The extruder can be used with or without a filament sensor

but also adjust the light

1pc Duex5 Expansion Board

External (non-USB) power can come either from an AC-to-DC adapter (wall-wart) or battery

eSUN - Silk PLA - Rainbow Multicolor - 1kg EasyPrint PETG - 1.75mm The extruder can be usedeSUN Silk PLA Rainbow Multicolor 1kg Brand: eSUN Color: Rainbow Material: Silky PLA Diameter: 1. 75mm Weight: 1 kg Items printed with Silky PLA filament have a shiny surface with a silk like texture. With Silky PLA you achieve a smooth surface without visible layer patterns. Is especially well suited for printing everyday accessories, decorations, toys, sculptures, decorative figures, shells, etc. You should choose Silky PLA because: Shiny surface