The polarity markings on LEDs (Light Emitting Diodes) seem to be a common cause of confusion. The polarity may be indicated by a flat section on one side of the body or by one lead being shorter than ...
[mircemk] built a slick-looking LED tester with a couple handy functions built in. Not only can one select a target current to put through an LED, but by providing a target voltage, the system will ...
Santa Clara, Calif. — Agilent Technologies Inc. has introduced a customizable display tester designed for visual testing of up to five major display formats. It is suitable for testing FPD and CRT ...
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