Please refer to the link below to connect to Fluidd:
https://wiki.elegoo.com/neptune/neptune-4-series-web-page-control
Find the printer.cfg file in the Configuration menu. Left-click on it to access it.
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Press Ctrl + F to search for the keyword rotation_distance. Use the brown-colored text above to distinguish between the X, Y, Z, and E motors.
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Note: Do not enter any characters other than a decimal point in rotation_distance.