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→Step 4 Building the Gears
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especially when you want to achieve very precise result with a HD camera and the commercial | especially when you want to achieve very precise result with a HD camera and the commercial | ||
version of David. | version of David. | ||
[[File:laser_step4.png|600px|]] | [[File:laser_step4.png|600px|]] | ||
Use the yellow belt to connect the stepper motor with the main wheel which drives the gear set and attach the line laser to the wheel which is the “end” of the gear set at the other side. The function of the Lego frame is to fix the stepper motor and stabilize the whole set. | Use the yellow belt to connect the stepper motor with the main wheel which drives the gear set and attach the line laser to the wheel which is the “end” of the gear set at the other side. The function of the Lego frame is to fix the stepper motor and stabilize the whole set. | ||
Or you can build up with “professional” gears. | Or you can build up with “professional” gears. | ||
[[File:laser_step5.png|600px|]] | [[File:laser_step5.png|600px|]] | ||
[[File:laser_step6.png|600px|]] | [[File:laser_step6.png|600px|]] | ||