Old 04-03-2012, 08:45 PM #1
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Default Laser Pointer w/ phone number

Hi guys,

I was surfing the web, and I found this site.
I have to do/buy a laser pointer, but instead a red/blue/green point, I need a phone number refracting on the wall.
I know that is something weird, but is for the University.
Someone know how to do it? or point me in the right direction?

Thanks in advance !!!!!!

Sheebo


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Old 04-03-2012, 09:44 PM #2
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Default Re: Laser Pointer w/ phone number

Quote:
Originally Posted by Sheebo View Post
Hi guys,

I was surfing the web, and I found this site.
I have to do/buy a laser pointer, but instead a red/blue/green point, I need a phone number refracting on the wall.
I know that is something weird, but is for the University.
Someone know how to do it? or point me in the right direction?

Thanks in advance !!!!!!

Sheebo
Laser projector graphics. Google is your friend. Good luck.
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Old 04-03-2012, 09:46 PM #3
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Default Re: Laser Pointer w/ phone number

custom diffraction gratings?

though you'd prob need to buy about a 1000 of them....
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Last edited by Mohrenberg; 04-03-2012 at 09:47 PM.
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Old 04-03-2012, 10:13 PM #4
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Default Re: Laser Pointer w/ phone number

Quote:
Originally Posted by Sheebo View Post
Hi guys,

I was surfing the web, and I found this site.
I have to do/buy a laser pointer, but instead a red/blue/green point, I need a phone number refracting on the wall.
I know that is something weird, but is for the University.
Someone know how to do it? or point me in the right direction?

Thanks in advance !!!!!!

Sheebo
To achieve this with a single laser pointer, you would need a custom made diffraction grating, and that would probably cost more than a small overhead projector that you can just write the number on.

Alternately, you can get a Laser Projector (stage laser) with ILDA (FB3 DAC) and Pangolin software installed on a laptop, and you can write whatever you want on the wall. (total cost ~$2,000)
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Old 04-08-2012, 12:00 AM #5
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Default Re: Laser Pointer w/ phone number

if you google it there are ~500mw rbv projectors with customizable diy pattern software for around $300 USD
Mini DIY Programmable RGB Animation Stage laser light [OL-RGB-L] - $279.99 : Zen Cart!, The Art of E-commerce
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Old 04-08-2012, 09:38 AM #6
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Default Re: Laser Pointer w/ phone number

Keep in mind that cheap laser projectors probably wont be fast enough to display a whole phone number flicker free.
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Old 04-08-2012, 10:13 AM #7
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Default Re: Laser Pointer w/ phone number

Do you need a single phone number,
or a system that can output any phone number you want
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Old 04-09-2012, 11:49 PM #8
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Default Re: Laser Pointer w/ phone number

Quote:
Originally Posted by bdgreenb View Post
if you google it there are ~500mw rbv projectors with customizable diy pattern software for around $300 USD
Mini DIY Programmable RGB Animation Stage laser light [OL-RGB-L] - $279.99 : Zen Cart!, The Art of E-commerce
Good find.! +Rep.
Looks like that will probably do it. Although, it seems a bit daunting to program*
Quote:
Originally Posted by justinjja View Post
Do you need a single phone number,
or a system that can output any phone number you want
Probably just one phone number.

*SD Laser Control System
Function:
1, the system only supports the FAT32 file system, the use of the new SD card, first formatted as FAT32.
2, the system only supports short file name, file name (including the folder name) of up to 8-bit file name and 3 extension, file name and extension of letters, file name can not exceed 8 bits, can not have Chinese characters, or files system does not recognize.
3, SD Card special card to be dedicated, (containing Program.rar files, this software is trial version, to be recognized in the state of anti-virus software to use.)
4, create a folder, you need to create a folder under the file folder with the same name of the PRG file and put the folder the file you want to play all the editing to the PRG file, then play the edited speed "Key seek" mode, the playback speed, for example, in the AA folder, create a AA.prg (program list).
5, the program list: Users can use a text editor (Notepad) to edit the program list, and its extension should be changed to. PRG. Program list file name from the play, playback speed, playback frequency components, in the middle, "separated. each line item to edit a program. For example, a program by the abl. ild, ab2. ild, ab3. ild three files, abl, ild playback speed is 15K, repeat play 3 times, ab2. ild playback speed is 20K, 1 player times, ab3. ild playback speed is 18K, 4 plays, then (program list. Prrg)
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Old 04-10-2012, 12:15 AM #9
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Default Re: Laser Pointer w/ phone number

This may sound stupid, but wouldnt it be easier to just cut you phone number out of a piece of paper, and shine a laser throught it?

EDIT:
I did it




Prety cool egh?
recognize the number
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Last edited by justinjja; 04-10-2012 at 12:35 AM.
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