These LED 'throwies' were developed by the Graffiti Research Lab, a division of the Eyebeam R&D Openlab are an inexpensive way to add color and light to any ferromagnetic surface in your neighborhood. A 'throwie' consists of a Lithium battery, a 10mm diffused LED light and a rare-earth magnet taped together. Throw it up high and in quantity to impress your friends and city officials.
LED Throwies - More DIY How To Projects
9.23.2009
Subscribe to:
Post Comments (Atom)
rotating video bar...this week poet, essayist, farmer & novelist Wendell Berry
contributors
0 comments:
Post a Comment