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MY DC POWER SUPPLY
Finding a use for weak AAA batteries.
Wet Cell Battery out of Food
Convert a Genius speaker to run on 9 volt baterys.
14 amp hour / 140 watt hour lithium ion battery
93% efficient DC to DC Converter
How to convert incandescent bulb to led
High Efficiency 9-volt LED Flashlight with Touch control
DC Boost Converter
Dope Ass Beat Box
Posted:Jan 28, 2013
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