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How to make a USB battery

HouseholdHacker
21 de agosto de 2008

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Change a normal 9v battery into a life saver. If you have ever run out of juice on your phone and could really use a quick charge then you need a USB battery.
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Shopping list:
1 5.1v zener diode
1 330-ohm resistor
1 9v battery connector
1 9v battery
solder and soldering iron
(you can get all of this at radio shack)
Instructions:
1. Solder the Zener diode to the left and right USB connector prongs.
2. Solder the black wire of the 9v connector to the left prong and the right wire to the resistor.
3. solder the other end of the resistor to the right prong.
4. Hook up battery and go to town.

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Disclaimer: As with this experiment and all other HouseHold Hacker videos. We cannot be held responsible for damage or mistakes made if attempting the experiments. These projects are for demonstration purposes only and should not be attempted at home. By watching our videos, you have agreed to the terms listed in the disclaimer.
Categoría: Ocio

Etiquetas: howto usb charger battery hacks householdhacker tech tips

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