3D Printer Filament End Sensor

OUT OF FILAMENT SENSOR FOR RAMPS V1.4 with Marlin

This filament sensor automatically pauses the printer when you run out of filament, allowing you to recover your print.

Requirements:

RAMPS V1.4 hardware
Marlin
Access to the Marlin Firmware
Arduino IDE
Printer display (not 100% required, but you need to be able to unpause)
AUX-2 header available (may require soldering)

Click here for the Sailfish version of the sensor

RAMPS V1.4 with headers installed

RAMPS V1.4, no headers installed

If you don't have headers on your board, we'll include them.

Firmware Modifications

You'll need to modify the firmware on your printer. While this is a simple modification, it can be confusing, so we've gone through and modified some of the firmware already for some printers. Note these are only the files that need to be modified, not the full firmware.