Under £2 Filament Runout Sensor
thingiverse
##ASSEMBLE THE VIDEO BELOW## A very affordable and hassle-free filament runout sensor that's a breeze to assemble. Print at 0.1mm layer height and use a horizontal size compensation of around -0.15 (or whatever suits your printer). - Comes equipped with an integrated dust filter - Features an override power switch - Sounds off at least 80dB when filament runs out ##Parts Needed## Piezo Buzzer: https://www.ebay.co.uk/itm/181778719109 Slide Switch: https://www.ebay.co.uk/itm/252106861027 Wheel Microswitch: https://www.ebay.co.uk/itm/281854711611 M2.5 10mm Screws: https://www.ebay.co.uk/itm/161716606652 + 4x LR41 1.5V button cell battery Thin wire Scrap metal for battery contact
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