MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.

Download Now

Report as inappropriate

Since your last comment was flagged for moderation, which I can't do anything about, I am answering here:

Pin3 = EL -> which is On/Off
Pin2 = VR -> this ist the speed control

The firmware does:
const int iMin=30;analogWrite(3,iMin + (long(iRPM)*(255-iMin)/1000));

So I clearly mixed up 2 and 3 in the schematic, I have changed it in the github,