The use of current regulator in a LED tester is shown in this project which will allow determining the exact voltage and current to supply a LED. Testing a LED comes in two ways. First is by plugging ...

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 ...

Here is a simple tester for Hobbyists. This LED Component tester can test the integrity of electronic components from resistors to ICs before soldering. It reduces the job of testing the components ...

[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 ...

Light-emitting diode (LED) product companies in the country are either expanding or manufacturing new LED test equipment and high brightness modules this year, as the global demand for LED is rising.

If you’ve worked on a project with small LEDs, you know the frustration of determining their polarity. This ingenious LED Probe from [David] packs a lot of useful features into a simple, ...