Have a hard time finding a use for the other 9 volt battery you got in that 2-pack? Look no further that Richard Lawson’s charming DIY LED light: 9Vo(l)tive. Just stick one of these suckers on a 9 ...
One of our favorite finds from this year’s ICFF is Mark McKenna’s collection of pocket-size do-It-yourself designer battery lights. We’ve seen 9-volt batteries acting as light sources before, as in ...
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