Automatic Pet Feeder

I am going to teach you how to properly set up an Arduino for this configuration and explain some basic programming. I am also going to explain to people how to build the system in a few simple steps. Read more »

iStand

The iPad, wonderful as it is, often needs a stand to hold it. Sure, there are tons available, but they can be flimsy and/or expensive. Here’s one that’s cheap, sturdy, and easy to build. It’ll hold either the original iPad or the iPad 2 in many useful positions. It’s made... 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 »

Wind Lantern

In this project, we’ll build a small, vertical-axis wind turbine, or VAWT for short. These are not as efficient as their horizontal-axis cousins, but they are better suited to urban environments where wind can come from all different directions. Normally, when you give electricity to a motor, it spins. The... Read more »