Where to buy electronic scrolling LED message sign ... in person? [more inside]
posted on Jul 22, 2008 - 4 answers 
Where around socal can I meet other aspiring electronic do-it-yourselfers? [backyard imagineering] [more inside]
posted on Jul 19, 2008 - 6 answers
I'm looking for a simple, small and cheap way of measuring acceleration. Basically, I want to make a set of LEDs light up if they are accelerated significantly, becoming brighter the faster the acceleration happens. [more inside]
posted on Nov 13, 2007 - 13 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 on Mar 3, 2007 - 23 answers
Where can I find a large (> 6 ft.) segmented LED display? [more inside]
posted on Jul 26, 2006 - 4 answers
ElectronicsFilter: How can I drive a LED as a light-emitter *and* a photo-diode simultaneously? [more inside]
posted on Feb 15, 2006 - 30 answers
After a trip to BestHongKong, I find myself with 1000 5mm red LEDs. What should I do with them? [more inside]
posted on Apr 20, 2005 - 10 answers
I've got an idea for a costume for Burningman, but I'm going to need a bit of electrical help to figure it out. I want to use A set of LED's like these connected to cheap hobby quality fiber optic cable ala This sort of chintzy stuff. [more inside]
posted on Mar 10, 2005 - 16 answers
My little boy wants to be a robot for Halloween, and I'd like to include a 60's style bank of randomly blinking lights on his robot chest. Cardboard and spraypaint I know and can work with; electronics, not so much. Is there a fairly easy and cheap way to do such a thing? [+]
posted on Oct 26, 2004 - 9 answers
I want to learn how to make simple electronics, like LED controllers that I can hook up to a serial port. Can anyone recommend a book to get started with? [more inside]
posted on Aug 29, 2004 - 14 answers
Electronics filter: Need to build something that'll light up different LEDs via radio frequency. Must be compact and battery powered. My electronics-fu is pretty good, but I'm not sure it's this good... [mi]
posted on Aug 9, 2004 - 17 answers
