We give away a free LEGO MINDSTORMS dCompass sensor for folks that take a crack at guessing what we're working on in our lab.

To help announce our re-introduction of the dSwitch, we’re going give away a free one this week.  Wait, what’s the dSwitch?  The dSwitch is a controller designed to be used with LEGO® MINDSTORMS® NXT hardware and software.   The dSwitch controls any appliance in your house, such as a light, a toaster, or anything else you can plug into a...