Posts Tagged ‘Demo’
New York City events on Climate Action Day, Saturday, rain-or-shine, warm-or-cold, October 24, 2009. Main event at Times Square at 3pm.
nbsp; http://www.350.org/action-list?country=A… ***George Washington Bridge Oct 24-350 Demo*** New York City United States ***Greenpeace March for Climate Leadership*** New York United States 3 minute, 50 second sound artworks New York City United States 350 @ Hillel: A Week of Climate Action New York United States 350 Commitment Card New York City United States 350 Condoms Collage New York United States 350 Twitter hour
Halloween DIY – How to Make a Halloween Pumpkin with Capacitive Touch Sensor!
Check out this great DIY showing you how to make a Halloween Pumpkin with a capacitive touch sensor to control the glow of the LEDs . Watch video for a demo! Capacitive proximity sensors work because people are mostly water, and water is a very polar molecule, and is easily turned to align with any applied electric field. In fact, water has a “permittivity” (dielectric constant) that is about 80 times better than air! When a given voltage is applied between the two plates of any capacitor,