Fresh hacks every day
This is [Lee von Kraus'] new experimental propulsion system for an underwater ROV. He developed the concept when considering how one might adapt the Bristlebot, which uses vibration to shimmy across a solid surface, for use under water. As with its dry-land relative, this technique uses a tiny pager motor. The device is designed to vibrate when the motor spins, thanks to an off-center weight … [Read more...]
How does one take a game of Simon and make it extremely awesome? The folks at the North Street Labs -- a Hackerspace in Portsmouth, Virginia -- have found the secret and it's all in the execution. They turned this chair-desk into a coin-operated Simon game that hides a huge surprise. We suppose you should be able to guess the secret. Most coin-operated sidewalk attractions are rides, and so is … [Read more...]
After having his mints disappear for quite some time [Quinn Dunki] came up with an idea to get back a the fresh-breath thieves. A bit of circuit design, parts scavenging, and free-form construction led to the creation of his mint-tin burglar system. Here's how it works. Flip the on/off switch in the base of the mint tin before you head off for lunch or a coffee break. When the foul-mouthed … [Read more...]
Add some feedback to an original NES controller by making it vibrate. This feature is often known as Rumble Pak, a controller add-on for the Nintendo 64 which vibrated as a game feature. This version adds a small DC motor (in the upper right) with a screw soldered off-center to the motor shaft. [Andy Goetz] and his friend built this as a robot controller, taking advantage of the latch and clock … [Read more...]
You can make pretty much anything a speaker by vibrating it. Japanese engineer, [Keiji Koga], has been working for many years to perfect his plant based sound transmission system. The voice coil is at the bottom of the plant container and transfers sound up the stalk to the leaves. It's and interesting idea, but we can't imagine it sounds much better than vibrating a rigid surface.[via io9] … [Read more...]
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