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usb charging circuit PUBLIC

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Created March 06, 2014
Last modified March 06, 2014
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Summary

This is a Circuit to make a 9volt battery into a charging circuit for usb powered devices(ie. phones)

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Description

This is a Circuit to make a 9 volt battery into a charging circuit for usb powered devices(ie. phones)

the -data and + data tells phones what the amperage it can draw from the device.

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