Simple USB UPS

This is an very simple circuit to act as a Uninterruptible Power Supply for a usb powered device. I'm using it to prevent reset of Raspberry Pi's during short power flickers caused by high motor current draws on a battery powered system. The circuit I'm using is able to maintain full power to a Ra...

By: jwhart1



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from Instructables: exploring - technology http://ift.tt/1rfjxYP