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→Step 4 Building the Gears
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Use the gears of the Lego parts. The detailed pictures showed below. | Use the gears of the Lego parts. The detailed pictures showed below. | ||
[[File:laser_step7.png| | [[File:laser_step7.png|800px|]] | ||
The purpose of building up gears is to slow down the movement of laser. One can assemble | The purpose of building up gears is to slow down the movement of laser. One can assemble | ||
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In the right picture of the “detailed look”, the gear stays at most left side is the last gear of the whole gears chain. | In the right picture of the “detailed look”, the gear stays at most left side is the last gear of the whole gears chain. | ||
Note: Since the material of plastic is quiet elastic, the Lego based scanner is kind of loose and the belt connecting the stepper with the wheel also brings some problem like sliding issues. It would be much better if you can build the “professional” one. However, you need to gain some experience with the mechanical tools and the “professional” gears are not so easy to find, unless you build your own with laser cutter or 3D printer. | Note: Since the material of plastic is quiet elastic, the Lego based scanner is kind of loose and the belt connecting the stepper with the wheel also brings some problem like sliding issues. It would be much better if you can build the “professional” one. However, you need to gain some experience with the mechanical tools and the “professional” gears are not so easy to find, unless you build your own with laser cutter or 3D printer. | ||
====Step 5 Coding & Wiring==== | ====Step 5 Coding & Wiring==== | ||
Wiring | Wiring | ||