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How to Make 9 volt LED flashlights using household items

Jun 7, 2010 07:34 PM
Circuit diagram illustrating different voltage levels across resistors and diodes.

In this clip, learn how to make super powerful 9 volt LED flashlights using things you most likely already have around the house. You will make these mini-lights out of things like batteries and scrap wires. So, dig around in your garage and see what you can find to get started building these useful, bright lights.

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