Hi all! We've distilled this year's solar cell summer-solstice tests into a nice, pretty set of PDF files. Want to know the power curves of our solarcells? Check it out here!
We've been trying to Make Something Useless Useful since 2012. In order to do that we've been donating a percentage of past sales of the Useless Box to Plan Canada. In year 2013 $5,000 went to Plan Canada' Gift of Hope School Construction in Honduras.Here's what the $5,000 we donated in December 2013 was able to accomplish:
This year we are hoping to donate $10,000, so with every Useless Box purchase you are supporting this goal!
Hi all! We've distilled this year's solar cell summer-solstice tests into a nice, pretty set of PDF files. Want to know the power curves of our solarcells? Check it out here!
So as we mentioned last week, our contest to name our upcoming GVS Ardweeny Backpack had come to a close. We've had a chance to sift through all the submissions, and the results are IN. This would be the part where someone hands someone else a secret-lookin' envelope, but because I can't spot any envelopes […]
We've just got in our newly-machined RW2 hubs & tires - and they're better! Instead of the old 1/8" axle hole that didn't quite fit the GM11a-14a series correctly (they were too loose), these new ones fit perfectly with their 3mm hole!
We love SparkFun. Great group of people. Excellent products. It's just that they're... well... twisted and cruel. You see their RoboJoust event? We didn't take them serious when they said it was to be performed 4' off a concrete floor. But here's the proof. They're actually building the table that high off the ground. Next […]
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Warning: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Please visit www.P65Warnings.ca.gov for more information. This item was manufactured prior to August 31, 2018.