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Make A Cheap & Easy Solar USB Charger With An Altoids Tin

Make A Cheap & Easy Solar USB Charger With An Altoids Tin
Photos by Joshua Zimmerman The craftster behind the very popular $3 solar-powered emergency radio is back with a new awesome project: a cheap solar battery charger with a USB plug. Zimmerman wrote, saying that he saw a lot of small solar powered chargers being talked about over Earth Day, but there was a big problem: "They're all quite nice, but also quite expensive. I don't think I've seen any for less than $60, and I've not seen one that really suits my style." So, he came up with his own, using one of our favorite reusable items -- the ever wonderful Altoids tin. In looking for the cheapest way to accomplish the task, Zimmerman found that he could build a USB solar charger for under $30 (or $10 if be buys parts in bulk, though it's not likely you'll be buying bulk solar cells and DC-to-USB converter circuits). Zimmerman states, "The central brain of our project is a DC to USB converter circuit.

http://www.treehugger.com/clean-technology/make-a-cheap-easy-solar-usb-charger-with-an-altoids-tin.html

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10 Fun And Funky iPhone Docks If you're as tethered to your iPhone as we are, giving it a solid charge while not in use is important. But even the most functional products in the home should feature great design. Here, 10 alternatives to a traditional Apple docking station. (Bonus: all would look great enhanced with a friendship cord!) Why Facebook's Facial Recognition is Creepy By Sarah Jacobsson Purewal I'm not sure if you've heard the news, but Facebook is officially getting super-creepy. Facebook announced Tuesday that it will be implementing facial recognition technology for all users in the next few weeks, semi-automating the photo-tagging process. Sure, you can "opt-out" of the service, but it's a pretty weak consolation. After all, opting out won't keep Facebook from gathering data and recognizing your face--it'll just keep people from tagging you automatically.

spherical glass solar energy generator by rawlemon aug 25, 2012 spherical glass solar energy generator by rawlemon spherical glass solar energy generator by andre rawlemon german born, barcelona-based architect andré broessel has sent us images of his latest development of a spherical glass solar energy generator. the project uses the advantageous strategy of implementing a ball lens and specific geometrical structure to improve energy efficiency by 35%. in contrast to its traditional photo-voltaic ‘dual-axis’ counterparts, the device incorporates a fully rotational weatherproof natural optical tracking device that is adequate for functioning on inclined surfaces and curtain walls, empowering any building surface. the new solar generating concept has capabilities that concentrate diffused daylight or moonlight for a more effective site context application.

Outlets of the Future aka in-wall USB Charger 1. Plug the Mini USB chargers into the outlets. Because the USB ports are off center I decided to put them both toward the center. I think it looked better than having them the same direction or both on the outside. 2. Create a Template by placing tape over both chargers as shown in the photo, then cut the tae around the outer edge and don't forget to cut out the USB ports.

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