More laser projector photos

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I brought my old hard disk laser projector to work today, since it was the most interesting portable project I had to show off to some friends and new acquaintances at a geek get-together. Scott being himself, he naturally always has a fantastic camera with him. So we got some better pictures of its output:  Read More

Laser projector update

OLYMPUS DIGITAL CAMERA

Looks like my hard disk laser projector made the MAKE blog. Sweet I’ve been hacking on the software for the projector quite a bit this week- mostly on the code responsible for importing and converting vector graphics data. In a typical laser projector, you have a high-speed DAC connecting a pair of analog servo amplifiers to a computer. The computer reads samples out of... Read More

Times New Roman at 532 nanometers

OLYMPUS DIGITAL CAMERA

After running the ILDA test pattern at only 4K on my hard disk laser scanner, I really wanted to see how well the projector would do with the kinds of “real” vector graphics that I expected to be able to display. Most commercial ILDA frames are way too complicated for it. As I mentioned, the control software for the projector still mostly sucks. I have a hacked-together... Read More

Hard disk laser scanner at ILDA 4K

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I should have blogged about this long ago, as I’ve been working on it off and on for about three months now, but today I reached an arbitrary milestone that compels me to post I’m still actively working on this project, so I’ll try to make updates occasionally, and if I end up putting together an actual project web page I’ll link it from here. My latest... Read More