Posts Tagged ‘5v supply’




by max on September 3rd, 2008
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1.1-inch Keychain Digital Photo Frame! For the ultimate portable digital photo frame, this 1.1″ Keychain-size digital photo frame will successfully satisfy your hunger for portable media. Display: 1.1-inch CSTN color screen Memory: 8MB built-in flash memory Digital Photo Frame, Support BMP, JPG format Power: buit-in 3.7V lithium battery or USB 5V supply Control buttons including c ...
by max on July 28th, 2008
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You could probably take any cellphone adaptor and convert it into an iPhone charger pretty easy but here’s a cool DIY showing you how to make your own iPhone charger. All you need are the 4 resistors stated above. I have modified some values of the resistors because of some miscalculation. Connect them as shown and provide the circuit with a regulated 5v supply. Get a female USB ...

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