Quote:
Originally Posted by Lavapicker
Our students built a 60 LED array with a magnifier all jammed into a 5-inch PVC pipe so that it looks like a bazooka.
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I saw one of these at Boilermaker and the team thought it worked pretty well. However, I have heard some students say that want to take a lens out of a slide projector to narrow the beam. Some of the lenses are designed to absorb IR. Be sure to check the output with the lens out and then again with the lens in place. However, with 60 LEDs, I bet it will heat your hand if you put in front of the output side.
So, we should have respect for each other regardless of whether we are building our robot with a Waterjet or a Hacksaw. Construction methods will vary widely, but honoring your competitors should be universal. - OZ_341 [more] 
04-04-2008, 22:41
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