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

Help me diagnose repeated failure of my lighting dimmers. [more inside]
posted by jon1270 on Jun 26, 2008 - 20 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

Any suggestions for a small, battery-powered flashing LED setup I can use for an outdoor mock alarm? [more inside]
posted by pallen123 on Oct 21, 2006 - 5 answers