bigtreetech smart filament sensor manual: Link

Add this Smart filament sensor to your 3D printer to reduce the chance of catastrophic failure.

Compatible for the following Printers:

Ender3

Ender5

Ender6

BIQU B1

BIQU B1 SE Plus

BIQU BX

Compatible Contro Boards:

SKR Mini E3 V2.0, SKR Mini E3 V3.0, SKR2, SKR3, SKR3 EZ, Octopus, Octopus Pro. etc...