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Robot 8 • The ULK (Useful LEGO Knowledge)
The Lifter
The lifter returns ULK’s arm to the upright position after it drops off a brick.
Lifter Step 0
The Limit Switch
The Limit Switch notifies ULK when its arm is in the upright position. Attempting to drive ULK’s
arm past the upright position will damage the robot.
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