Options include a bigtreetech and creality brand one. It seems like it's going to matter whether they fit with my printer, whether there are ports for it, and how well they work. The bigtreetech 2.0 states that it can detect a Filament line breakage within 2.88 mm.
https://www.amazon.com/BIGTREETECH-Printer-Filament-Detection-Detector/dp/B0C7PZDBNC/ref=mp_s_a_1_20?crid=14WDFLM5USXC1&keywords=bigtreetech%2Bskr%2Bmini%2Be3%2Bv3.0&qid=1693027249&sprefix=bigtree%2Caps%2C258&sr=8-20&th=1&psc=1
Options include a bigtreetech and creality brand one. It seems like it's going to matter whether they fit with my printer, whether there are ports for it, and how well they work. The bigtreetech 2.0 states that it can detect a Filament line breakage within 2.88 mm.