Powering a TV remote with the sun means you won’t have to buy batteries every six months to surf from your sofa. Low-voltage devices that use power only occasionally, like...
Posted by Paul Spinrad
Categories: Energy, Electronics | 1 Comment
Hack an iPod and a garden light, and make yourself a simple light meter!
Posted by Marc Barbani
Categories: Computers & Mobile, Electronics | No Comments
A little spinning top that looks like a satellite in orbit.
Posted by Gareth Branwyn
Categories: Robotics | No Comments
A little solar-powered racecar made from techno-junk.
Posted by Gareth Branwyn
This autonomous instrument uses Solarengine circuits and chimes.
Posted by Rory Nugent
Categories: Music, Electronics | No Comments
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