3-axis Bipolar Microstepping motor driver with integrated joystick control!

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Proudly Engineered and Manufactured in the United States of America

Yes, it's back! The Arcsin is now smaller, faster, packed with more features and now comes with a chassis/heat sink to cool and protect all of the goodness inside!

Arcsin features:

Arcsin Ordering Page

Arcsin Manual

Arcsin FAQ's


I just had to include a shot of the finished Arcsin running my Shrapnel 3-axis CNC milling machine!

It has been so much work to get to this point that now I can't remember if I built the Shrapnel to showcase the Arcsin features or if I built the Arcsin to showcase the Shrapnel!

Building the new Arcsin (2006-2009)

The Original Arcsin