here's a fun project:

rs232 with 2 laser pointers... I was actually thinking of using one of 
these to beam data from my weather station 100' back to my lab but finally 
just ran a conduit.

http://www.geocities.com/SiliconValley/Lakes/7156/laser.htm

cheers,
mike

At 02:56 PM 6/30/2005, you wrote:
>Hi,
>   I've just been digging through my junk box and found a pair of laser
>pointers. This has got me wondering.. has anyone managed to do anything
>interesting or useful with a laser pointer (either modified or unmodified)?
>
>   I was thinking about some form of data transfer system, but I can't find
>any opto sensors in my junk box :(
>   Another option would be a scanned display - I've found someone who's got a
>pair of broken Laserjet IIIs ("no toner cart, and the fusers seem to be
>blown"), so I could probably salvage the scanner assemblies from those...
>
>   (in case you can't tell, I'm looking for yet another strange/unusual
>   project to stave off boredom and I've run out of ideas!)
>
>Thanks.
>--
>Phil.                              | Acorn Risc PC600 Mk3, SA202, 64MB, 6GB,
>philpem@philpem.me.uk              | ViewFinder, 10BaseT Ethernet, 2-slice,
>http://www.philpem.me.uk/          | 48xCD, ARCINv6c IDE, SCSI
>Acme Dynamite. Guaranteed to fail unsafe.
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