tailieunhanh - LEGO MINDSTORMS - Robotics Invention System-2 Projects part 10

Tham khảo tài liệu 'lego mindstorms - robotics invention system-2 projects part 10', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Robot 8 The ULK Useful LEGO Knowledge Arm Step 7 The light sensor is attached to the 2x2 round brick. To correctly position the sensor the 2x2 brick must be pressed against the 2x6 plates. Bricks Chips. Aligning the Fingers It is important for the 24t gears to be aligned properly otherwise the fingers won t be able to pick up LEGO bricks. Adjust the gear position such that the elongated slots in the gear face are almost parallel. 211 Robot 8 The ULK Useful LEGO Knowledge Arm Step 8 Arm Step 9 The 4 axles make ULK s fingers just a little too long. They scrape the tires on the ground when ULK reaches down to pick something up. Because 3 axles are a little too short and cause ULK to drop things ULK uses the longer axles but positions the grabbers about a half-stud away from the end of the axle. I 212 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. .