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Use 1 or 2 filament sensors to pause printing or send GCode commands when filament runs out or is jammed.

OctoPrint plugin that integrates with 1 or 2 filament sensors hooked up to a Raspberry Pi GPIO pin and allows the filament spool to be changed during a print if the filament runs out or is jammed.

You can pause or send GCode commands when a sensor is tripped. Behaviours can be different between the runout sensor and the jam sensor.

An API is available to check the filament sensors status via a GET method:

  • to /plugin/filamentrevolutions/filament for the filament sensor

  • to /plugin/filamentrevolutions/jammed for the jam sensor

  • {status: "-1"} if the sensor is not setup
  • {status: "0"} if the sensor is OFF (filament not present/filament not jammed)
  • {status: "1"} if the sensor is ON (filament present/filament jammed)

Here’s the settings page: Settings

Initial work based on the Octoprint-Filament-Reloaded plugin by kontakt.