Here you can download the firmware by clicking on the following link. A zip file will be downloaded. You will then find this in your download folder. To unzip the file, right click on the file and select unzip/extract all.

E1.7-firmware (1260 Downloads )

If you buy the kit from ARTME 3D the firmware is already installed on the Arduino. If you want to install or update the firmware yourself, proceed as follows:

  1. Go to and download the Arduino IDE software for your operating system.
  2. Install Arduino IDE on your PC.
  3. Download the Desktop Filament Extruder E1.7 firmware from this page above.
  4. Extract the downloaded zip file. To do this, right-click, select unzip/extract all.
  5. Open unzipped folder, double click on the file „E1.7.ino“.
  6. Then Arduino IDE should open. If not right click on the file and select „open with“. Then select Arduino IDE.
  7. Connect the Arduino of the extruder to the PC. A USB cable was provided for this purpose. Make sure that the USB connector is oriented correctly.
  8. It may take a moment for the PC to recognize the Arduino. If not, restart the PC or use a different USB port on the PC.
  9. The extruder’s power supply should be turned off. The extruder’s display will start because it is powered by the USB line.
  10. Click on the „Tools“ button in the top menu of the Arduino IDE and set the following parameters:
  11. Select „Board“ and then „Arduino Mega or Mega 2560“.
  12. Select „Processor“ and then „ATmega 2560 (Mega2560)
  13. Select „Programmer“ and then „AVRISP mkII
  14. Select „Port“ and then „Arduino“ or similar. If there is no plain text designation to choose from, select the port with the highest number.
  15. Now the upload can start. To do this, click on the arrow symbol (arrow pointing to the right) under the upper menu bar.
  16. At some point „upload complete“ appears in the status bar below the program code. If an error message appears it is in most cases a problem with the connection. Make sure that Windows has recognized the Arduino on the USB port. Possible solutions can be
    1. check if the above settings are selected correctly.
    2. disconnect all USB devices from the PC and restart the PC, then connect only the Arduino.
    3. use another USB port on the PC.
    4. use another USB cable.
    5. use another PC.
    6. If all this does not help, remove the electronics from the extruder if necessary and disconnect the Arduino from the Ramps board. (Be careful, it takes a lot of power and the pins must not be bent. Only handle the electronics in a de-energized state.
    7. In rare cases the Arduino can be defective (cheap clone Arduino).
  17. If upload successful, disconnect the Arduino from the PC.
  18. Put the extruder back into operation via the power supply.
  19. Overwrite saved settings by clicking on Main Menu – Control – Restore failsafe.
  20. Save the new settings: Main menu – Control – Store memory.
  21. Restart the Arduino.
  22. Done.

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