Thingiverse
Eggbot/Spherebot/polargraph Controller
by markbenson
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This is a dual stepper motor controller board that takes two stepstick style stepper modules (DRV8825 or a4988 or similar) and an Arduino Nano.
See http://www.thingiverse.com/thing:1393222 for a PCB mount.
It can be used as the controller for a polargraph or Eggbot/Spherebot or some other drawing machine with the appropriate firmware loaded onto the Arduino Nano.
Yeah, I know, not really printable, but if you have a CNC router or a router setup on your 3d printer, you might be able to
See http://www.thingiverse.com/thing:1393222 for a PCB mount.
It can be used as the controller for a polargraph or Eggbot/Spherebot or some other drawing machine with the appropriate firmware loaded onto the Arduino Nano.
Yeah, I know, not really printable, but if you have a CNC router or a router setup on your 3d printer, you might be able to
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