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turn 19volt DC power supply in to a 12 to 14volt DC power supply

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turn 19volt DC power supply in to a 12 to 14volt DC power supply

i have a 19 volt power supply that i am messing around with from an old laptop and i want to trade out this old transformer for it but im not sure how to make a curcuit to turn 19 volts in to 12 to 14volts for a light bulb i am trying to power.. please help
asked May 29 by saboschiffergmail-com (120 points)

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What you want is what is called a Buck Converter.  They can be purchased for a few dollars on eBay.  I am assuming you are looking at only a few amps.Some even come with a volt meter.
answered Jun 11 by gilshultzhome-com (17,730 points)

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1,042 questions

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