this is a simple portable usb charger it will just take a few minute stuff needed 5v zener diode 1 9v battery connector 1 9v battery female usb cover u can chose any cover just make sure it fits the battery solder and soldering iron
how to make a simple portable usb charger
Posted Friday, December 21, 2012 in Charger, Portable, Simple by Mary Farrell
how to make a simple portable usb charger Tube. Duration : 3.72 Mins.
this is a simple portable usb charger it will just take a few minute stuff needed 5v zener diode 1 9v battery connector 1 9v battery female usb cover u can chose any cover just make sure it fits the battery solder and soldering iron
this is a simple portable usb charger it will just take a few minute stuff needed 5v zener diode 1 9v battery connector 1 9v battery female usb cover u can chose any cover just make sure it fits the battery solder and soldering iron
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