BTT - Smart Filament Sensor v2
https://lilysprinting.co.nz/shop/btt-smart-filament-sensor-v2-56
https://lilysprinting.co.nz/web/image/product.template/56/image_1920?unique=f228443
Smart Filament Sensor v2
Intelligent break filament detection function
Installation model and electronic version manual for SFS V2.0
https://github.com/bigtreetech/smart-filament-detection-module
