MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
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The 10k pulldowns are for when the driver start up before the arduino or the arduino is broken, then they prevent accidental motor rotation. But fur function they are irrelevant.
There is a modified library for the SH1106 oleds: https://github.com/wonho-maker/Adafruit_SH1106