Tools & measurement - testing equipment
This circuit uses the popular and easy to find LM3914 IC. This IC is very simple to drive, needs no voltage regulators (it has a built in voltage regulator) and can be powered from almost every source.
author: Jonathan Filippi
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author: Andy Collinson
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author: By Tosin Osanyintuyi (TAFRICA)
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author: Tony van Roon
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author: EdwardM
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author: RED Free Circuit Designs
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author: "Electronics Design" Magazine, Mar, 20, 95
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author: RED Free Circuit Designs
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