BTT Smart Filament Runout Sensor (SFS) V2.0
$16.99
https://github.com/bigtreetech/smart-filament-detection-module Video showing the BTT V1.0 and V2.0 by LeeMerie3D
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$16.99
$13.59
(-$3.40)
$13.59
$16.99
(+$3.40)