Username klappy
Member Since May 20, 2012

klappy's Public Circuits:

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Dead Batteries for 5V USB Charger

Dead Batteries for 5V USB Charger PUBLIC

The goal of this project is to make an efficient and cost effective usage of dead AA alkaline batteries. Eventually this will expand into two circuits to switch between: A) step down to 5V while...

by klappy | updated May 22, 2012

aa   batteries   charger   usb