This rechargeable flashlight was built using free material. It is very powerful it uses 23 LEDs and 2 lithium ion used laptop batteries.Parts neededSolder boardhigh power LEDsPop bottlePaper mâchéSwitchWires (i used 22 gauge)Aluminum foil2 lithium ion used laptop batteries Building It Start by s...
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powertothepeopleContinue Reading »from Instructables: exploring - technology - robots http://ift.tt/1vYnrre
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