Home › Magazines › 2010 › July/August › LED Tester

LED Tester

(Summer Circuits 2010 article)

Published in issue 403, July/August 2010

In some circumstances it may be necessary to select LEDs with closely matched characteristics. This design makes the job a whole lot easier. It uses two tracking current sources to allow the comparison of the two LEDs under test. LED current is adjustable by potentiometer P1 giving a range from 1 to 50 mA.

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	Magazine July/August 2010
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Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.

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