Filament Sensor for 3D printers and filament extruders

youmagine

This is not a problem that requires a step-by-step solution. It appears to be a tutorial or guide on how to use a filament sensor with a 3D printer or filament extruder. However, I can try to break down the information into sections and provide some general guidance. **Section 1: Calibration** * The sensor should show an output voltage of 1.56 volts when the power voltage is exactly 5.00 volts. * Pressing the button for less than 1 second will switch modes to absolute output, allowing you to confirm calibration. **Section 2: Attaching the Sensor** * Attach the sensor to a 3D printer or filament extruder using the provided instructions. * For 3D printers, connect the sensor to an A/D input and +5v power on the control board. * Download the modified version of Marlin firmware from GitHub. **Section 3: Using the Sensor with your Extruder or Printer** * Add custom g-code to your slicer software to enable the sensor (M405). * Key in and send an M407 command to see the filament sensor reading. **Section 4: Improving the Design** * Suggestions for improving the design include: + Measuring diameter in multiple dimensions. + Improving precision with lenses or better illumination. + Using small rollers to hold the filament in place. + Producing a digital I2C output rather than analog voltage. + Updating Marlin to check for end of filament. + Making the board work with a 3mm calibration rod. + Creating a version with an Atmel processor. Overall, this guide appears to be a tutorial on how to use a filament sensor with a 3D printer or filament extruder. It provides step-by-step instructions and suggestions for improving the design.