A couple of friends and I are organising a site-specific installation for the Smart Light Festival (flash w/ sound) to be held in Sydney from May 26 to June 14 this year. While I would appreciate any advice on bringing an installation like this to fruition, I was hoping specifically to get feedback on our plans to pre-fabricate the components (basically if they seem feasible, and if there are cheaper more efficient ways of going about it, how to use less energy, and especially how we could reuse or recycle the materials). [more inside]
posted by carnival of animals on Mar 18, 2009 - 3 answers

Electronics/LED Folks: I bought a few cheap, poorly-assembled LED color-changing orb-things and I'm pretty sure they're the coolest objects I have ever owned. I cracked 'em open, and damned if I know what is going on in there, but it looks simple/cheap as all hell. Help me figure it out, I'll post a build-log/parts list somewhere, and in short-order we can all be ass-deep in home-made, disarmingly sublime mood-lighting. [more inside]
posted by jjjjjjjijjjjjjj on Nov 18, 2008 - 28 answers

I have a motherboard in my PC, with 3 extremely bright blue LED lights. I can't disable them, because they show whether or not there is a problem with the CPU, RAM, etc. Would putting something like Blutack over them damage them? [more inside]
posted by Don-da-lah on May 7, 2008 - 14 answers

Need some help designing and building LED light strips for an interactive table -- help me select 880nm IR LEDs, understand the circuitry, and figure out how to deal with power. [more inside]
posted by warhol on Mar 3, 2007 - 23 answers

If I replace halogen bulbs with LED clusters, will my dimmer switches still work? [more inside]
posted by twine42 on Feb 20, 2007 - 8 answers

I have an irregularly shaped metal object that I want to light up from behind. I want to the lighting behind it to be very even. [more inside]
posted by dmd on Jun 8, 2006 - 11 answers