Universal Filament Runout Sensor
thingiverse
Filament runout sensor made from readily available parts. ================================================ Utilizes M2, M3, and M4 bolts to secure the pulley, switch, and bowden tube (optional). Screws attach directly into the print in most areas, but employ a nut on the switch adjustment and pulley mount. The bottom screw is for fine tuning. This sensor can be configured with Normally Open or Normally Closed settings. It can also be used with a battery and buzzer for audible alerts, or connected to a compatible control board. ###The pulley is identical to the Ender 3 extruder idler. Dimensions: Depth: 3.9mm Bore Diameter: 4mm Inside Groove Pulley Diameter: 11.18mm Outer Pulley Diameter: 13mm ###Switch PN: D449-R1RA-G2 https://www.alliedelec.com/product/zf-electronics/d449-r1ra-g2/70371373/ Cherry D45C-R1RA (Pictured - Obsolete) Possible Cross Reference: Honeywell V7-1C17D8-201
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