I'm interested in learning how to wire LEDs and program/control them. [more inside]
posted on May 26, 2008 - 10 answers

I have a question about persistence of vision and flashing lights... There will be maths and biology involved. [more inside]
posted on Feb 6, 2008 - 3 answers

I need to purchase 30 to 50 orange or red LEDs by this Friday. Where can I get them as cheaply as possible in/around San Francisco? [more inside]
posted on Dec 5, 2007 - 10 answers

It seems that taillights have evolved rather radically from their humble origins, now featuring LED configurations spanning cars' entire back ends. Why hasn't this kind of innovation been seen with headlights? [more inside]
posted on Nov 25, 2006 - 15 answers

Continuation from my last question: how do I make a giant red "M" out of little LEDs? [more inside]
posted on Jun 26, 2006 - 20 answers

Tell me about little kids' shoes, the ones with the flashing LEDs. [more inside]
posted on Oct 14, 2005 - 10 answers