DIY handheld LED lamp Tutorial

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Awesome project tutorial from Dushyanta on instructables!

A lamp holds great importance in once life. They are the source of light and make thing visible to you. When light is emitted from a lamp, it travels in all direction and after striking from a surface it comes to our eyes and the object is visible to you. The discovery of electric lamp was made by Humphry Davy (an Englishman) in 1809. An electric lamp can be used in multiple ways. It can be used as a study lamp, a table lamp, light bulb (a kind of lamp ) or a emergency lamp. Previously lamps were made from electric bulbs and CFL but now a days lamps are being build by LED.

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