To get around this, [RoTechnic] moved the wrist stepper motors off the arms entirely. He built a push-pull mechanism that uses braided fishing line to transfer motion to the robot arm’s wrist ...
It’s a simple robot that drags a pen around ... paired with a CNC Shield that allows it to drive a pair of stepper motors. The stepper motors drive the wheels via cogged belts, with the 3D ...
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