The Arduino magnetic drawing machine operates using an Arduino board mounted with a magnetometer. This setup, combined with node.js and socket.io, allows the machine to detect disturbances in the ...

Magnets (especially those ball magnets!) are endlessly fascinating, aren’t they? It’s almost dangerous to combine them with LEDs, because how are you supposed to get anything done with something like ...

Every week I seem to be writing about how someone has used an Arduino to fashion an interesting gadget, and today's – while not as obviously useful as, say a Pong-playing wristwatch - is still ...

Jealous of your Nexus S-owning friends and their fancy NFC chips after yesterday's Google Wallet announcement? Well tech tinkerer Joe Desbonnet has whipped up what he dubs "poor man's NFC" using an ...

Getting a magnetic field to balance on another magnetic field is about as easy as balancing a bowling ball on the tip of an ink pen. With a little help from an Arduino mega, however, [EmmaSong] was ...