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seddona / High Efficiency 9-volt LED Flashlight with Touch control

Using only 10 off-the-shelf parts, this simple circuit converts power from a 9-volt battery to run 2 white LEDs at 20mA, while only using 13mA on the battery - which is over 90% efficient! http://www.instructables.com/id/High-Efficiency-9-volt-LED-Flashl

Forked From: tkousar / High Efficiency 9-volt LED Flashlight with Touch control.

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seddona created the High Efficiency 9-volt LED Flashlight with Touch control project as a fork of the High Efficiency 9-volt LED Flashlight with Touch control project
on October 25, 2011
seddona worked on the High Efficiency 9-volt LED Flashlight with Touch control project
on October 25, 2011

seddona / High Efficiency 9-volt LED Flashlight with Touch control

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