Project 5 from Popular Science's 5 minute Projects with Craftsmen Tool is 'Integrated Circuit Cufflinks'.
What Bond would wear if he could program an Arduino. Editor and sartorial nerd Doug Cantor fires up the soldering iron to show you how to turn spare buttons and leftover circuits into some genuine geek chic. There are several versions of this for sale on the Web, but we were tipped to the DIY take by Alex Beharrell's Flickr page.
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