Reply To: How to update firmware for 20 teeth pulley?

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#25274

Derek P
Participant

Just a bit more detail. You will need to load the Arduino IDE and then load the firmware that Ryan loaded on your board into Arduino. You then make the change in configuration.h to change steps per mm in the X and Y axis. You then save the changes and upload to the Mega/Ramps using a USB cable. There are lots of tutorials on Youtube to cover the basics.

Hope this helps.

Derek