2020 Mountable Mechanical Filament Sensor with Bowden Connector
prusaprinters
This uses a mechanical endstop to act as a filament sensor. I took one already found on Thingiverse, added points to mount it to a 2020 extrusion and a bowden PC4-M6 mounting point as that's what I am using. Filament passes through this and when it triggers as empty, can send a signal to the printer for a filament change. Bowden Fitting: http://a.co/iI2eXjH EndStop: http://a.co/794m5yn Connecting to Raspberry PI: Voltage to PIN 1 Ground to PIN 6 Signal to PIN 7 In OctoPi, I use the Filament Sensor Reloaded plugin. Set it to Pin 7 with Normally Open and a 250 debounce and you should be good to go! Print Settings Rafts: No Supports: No Resolution: .1 Notes: Print at high resolution so the threads work. Category: 3D Printer Accessories
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