Page 280 - LEGO MINDSTORMS - Robotics Invention System-2 Projects
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Robot 9 • The SpinnerBot
Arm Pivot Step 4
Set the Arm Pivot aside for
now. You will need it in
Spinner Arms Step 3.
The Spinner Arms
The Spinner Arms are the business end of the SpinnerBot. The power from the Arm Pivot axle sub-
assembly will open and close the grippers, and will also raise and lower the Arm.
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