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ArcticMyst Security by Avery

Laser X/Y scanner in development






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fidgejufter

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Jul 31, 2007
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gyrodryve said:
Completly off topic but I need to know what those zany machines are called - no use, but do the job the long way :)
Click to expand...

Argh. Just typed my answer, and the forum software told me I can't post links (ooh links, how dangerous of me!) and then hitting the back link deleted my draft post. Grrr. At least it could have had the decency to let me edit it first.

Anyway.

Although I'm not sure there is any dictionary sanctioned word for them, bar something like contraption, there are two illustrators closely associated with intricate, over the top, and unfeasible machines. In America, you'd be most likely to refer to them as Rube Goldbergs, while over here in the UK, we'd say Heath Robinson. I will have to leave it to you to look them up on Wikipedia...
 
Hemlock_Mike

Hemlock_Mike

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BASIC ?? Did someone say BASIC ?? You mean that wonderful, simple old language ??? Does XP have basic in there anymore ?? I've almost forgotten DOS.

MIke
 
Gazoo

Gazoo

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I use basic when I program my Heathkit Robots. Dos....what was dos? ;D
 
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BlueFusion

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Basic.. is good for some things. I used Delphi (hybrid C/C++/VB) to program my robot (4WD wifi controlled, onboard computer) but for a laser scanner, BASIC could be just the treat. Looking forward to this. :D favourited
[edit]Hurry up and post this, I can't wait. Know what model digipot it is? I wanna start ordering them ( and any parts I need from the US) so they come on time. Weeee can't wait!!![/edit]
 
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BlueFusion

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Sorry to be so iggernant, but what is the difference / what is a galvo, as different from a stepper motor or a servo, or just a motor? I know a LOT about electronics but apparently not that. :p
 
Z

Zarniwoop

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Aug 16, 2007
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It's a mirror galvanometer - it's not a motor at all. With the ones I've seen, when a positive voltage is applied, it pivots in one direction, and a negative voltage pivots it the other way. With no voltage applied it returns to the center position.
Since it's got a linear response, you can drive one of these to position a beam anywhere along a single axis, or using two, anywhere in an X-Y Plane.
 
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