Ender 3 Filament Sensor (Remixed)
thingiverse
I've remixed a previous filament runout sensor for the Ender 3 so that it works for my need. I used the same "rail" principle as the previous one, but in this case you only need 2 M3 screws to hold the sensor from the bottom. Also, You might want a small bowden tube to guide the filament in the first part of the piece. Here is the F360 file so that you can edit it as you wish : https://a360.co/32MBMhZ For the "setup", I've used the Filament Sensor NG plugin in Octoprint and plugged my sensor on the GPIO 4+GND pin on my Raspberry Pi. Enjoy!
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