Monitor backlight

This is such a simple, and most importantly, a very necessary illumination I did with my own hands from a Chinese lamp.  Afterall,youcan'tbuyeyes,butworkonacomputerinadimlylitroomveryharmfultotheeyes.
Thislampcanbeboughtfor100-200rubles.Itispoweredby3-fingerbatteries,thatis,4.5volts.
Inaturallytookitapart.Init,thewholerangeofLEDswasdividedintofourboards.&Nbsp;
Iscrewedtheseboardswithsmallscrewstothemonitor.Twooneachside.
WeconnectedbothsidesinparallelandpowereditallfromtheUSBportviaa10OhmresistorusingaUSBcablefromanoldprinter.Theresistorcanadjustthebrightnessbychangingitsresistanceintherangefrom100to1Ohm.
Itturnedoutveryconvenient:turnonthecomputer-thebacklightturnson,turnoffthecomputer-thebacklightturnsoff.
Thoughtheshootingwasduringtheday,believeme:it'sevenbetteratnight.


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