Sixteen teams gathered today to determine whose autonomously-navigating vehicle would be the fastest around the Sparkfun headquarters in Boulder, CO. Four-wheeled rovers (typically built on RC car platforms) dominated the entries, but there were three flying UAVs, and one spheroid (Nathan, with “labrat”, pictured at right). One team had been designed a tethered model rocket […]
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Telekinetic Pen Kit From Make: Volume 13, comes this great DIY Magic trick. Using a small battery, a magnetic reed switch, and a miniature pager motor, this device will fit concealed inside a fine-point Sharpie pen. When the magnet is drawn near, the contacts on the reed switch close, making the Sharpie dance and vibrate […]
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From the MAKE Flickr pool J.Maz has refined the mousetrap car design and upgraded to a higher gauge rodent altogether – the motor has been upgraded to a full-sized rat trap, which I drilled pilot holes in directly instead of mounting it to the 6″ 1×4. I also added a length of rod to the […]
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