Friday, December 17, 2010

Beautiful Rainbow Stretches Across the Horizon

Beautiful scenery during nightfall, reminder about day of sadness and peace on.


Beautiful rainbow stretches across the horizon, with the stunning aura of sunlights.


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Adjustable DC to DC step up voltage booster using LM2577 -Adj P+ chip

One simple circuit to step up voltage using LM2577 -Adj P+ chip. The schematic is from Texas Instrument and it works expected - and below is...