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Willow Garage’s PR2 robot
We would like you to meet PR2. Made by Willow Garage, PR2 is a platform for research into robotic programming. The bot itself is simple compared to some of the humanoid bots we see, but its behavior...
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Nintendo DS mini USB plug
Noting that so many of his electronics are using the mini USB plug for charging, [Xavier] decided to modify his Nintendo DS to charge via the same adapter. It looks like the existing adapter is...
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Intelligent battery charging
[Razor] shares with us the plans for an intelligent battery charging circuit. Instead of blindly charging your battery into oblivion, this one shuts off once the battery is fully charged. It is a...
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Fixing the Rovio battery charging circuit
[Chris] was unhappy with the battery performance of his Rovio. It seems that he’s not alone, so he set out to reverse engineer the battery charging circuit to see if there was a fix. Boy is there,...
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eReader battery never goes flat (in the sun)
Instructables user [flapke] has a Kobo eReader and wanted to add some solar cells to it in order to charge the battery for free. The modification is similar to others we have seen recently, though his...
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Solar charger for Occupy Boston
As soon as the team at Revolt Labs heard Occupy Wall Street was coming to Boston, they decided to pick up their soldering irons in support of the throngs of protestors. They came up with a Solar...
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Reviewing the numbers from one month of solar harvesting
[Mathieu] just finished analyzing the numbers from a month of solar energy harvesting. You may remember that he was curious to see what kind of energy can be collected from small solar cells used...
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Putting Lightning In Acrylic
Some folks at the i3Detroit hackerspace had an opportunity come up that would allow them to capture lightning in acrylic. They created a few Lichtenberg figures thanks to the help of a plastic tubing...
View ArticleBitbanging Qualcomm Charge Controllers
With more and more manufacturers moving to USB-C, it seems as though the trusty USB port is getting more and more entrenched. Not that that’s a bad thing, either; having a universal standard like this...
View ArticlePedal Far With A Solar Powered Tricycle
More and more electric bikes have been rolling out into the streets lately as people realize how inexpensive and easy they are to ride and use when compared to cars. They can also be pedaled like a...
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Drone Replaces Kite in Recreation of Famous Atmospheric Electricity Experiment
Finally, someone decided to answer the question that nobody was asking: what if [Benjamin Franklin] had had a drone rather than a kite? Granted, [Jay Bowles] didn’t fly his electricity-harvesting drone...
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Universal Power Bank Customized To Your Liking
One of the most troubling trends of almost every modern consumer product that uses electricity is that the software that controls the product is likely to be proprietary and closed-source, which could...
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