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Arduino Mail Notifier

Many inventions/hacks often arise out of the need to solve a problem. The Arduino mailer notifier project was no exception. My workshop is in my backyard. During the day, I am far away from my mailbox. Using two Arduinos, some cheap RF modules, and a light sensor, I was able... Read more »

NASA MAKE Challenge 2011 Winner: “Bring It Back” Microgravity Kit

"Bring It Back" Microgravity Kit by Prashant Rao & Subra Sankaran Prashant Rao, Ph.D., Principal Engineer, Barrios/Jacobs/ESCG Subra Sankaran, Ph.D., Senior Thermal Specialist, MEIT/Jacobs/ESCG at NASA JSC, 2224 Bay Area Blvd, Houston TX 77058 Three experiments are described here (with suggestions for additional experiments) that use molten wax in different... Read more »

Laser Harp

One of my most vivid concert memories is seeing Jean Michel Jarre perform in 1986 at the city of Houston’s 150th birthday celebration. He played music by breaking laser beams with his hands. The beams came out of the stage and went off into space, and for a long time... Read more »

Build a projBox Controller

The finished projBox controller provides physical inputs for your software in addition to the computer’s conventional keyboard and mouse. The combination of open-source enclosure schematics and the use of standard electronic components provides an infinitely customizable prototyping platform. The projBox is specifically designed to integrate with software written in Processing,... Read more »