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USB Charging Circuit

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A handy DC to USB assembled circuit that we use to make our Altoids USB chargers. You can use it too. Takes DC power from as low as 2V and bumps it up to the 5V USB needs. 

This circuit works fine with most USB products out there.  While we can't test out every USB product in the world we can say with some confidence that it works with the these products below.
  • Apple Products (except for the iPad 2 & 3, and the iPhone 3GS)
  • Garmin GPS
  • Android Phones
  • Kindles
  • Arduino and Arduino Clones
  • To be honest, most anything that charges with USB
Note: This is the same circuit we use with our Solar USB, Heavy Duty Solar USB, and any USB charger on the site

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