The magnet is positioned close enough to the electromagnet so that its magnetic field can interact with the magnet, but not so close that the magnet's own magnetic field is able to pull itself up to ...

The magnet floating device operates using a small Hall Effect sensor where the field of the permanent magnet can be detected or be able to modulate the magnetic field of electromagnet. The magnet ...

I opted to use six ultrasonic transducers instead of two after sketching a few concepts on paper because the main components of the levitation are the transducers, elements that transform the ...

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 ...

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[Vegard Paulsen] dug deep down to the romantic geek at his core and built this box that counts the days he’s spent together with his Valentine. As you can see, it uses a four-digit seven segment ...