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 ...

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 BTS256-LED Tester measures luminous flux, illuminance, color quantities and spectra of individual LEDs and traditional light sources. Larger size light sources can be measured by attaching the ...

MJC Probe (MPI) has said it shipped 116 sets of LED testing equipment in January 2010, hitting a company record. The probe card specialist, which also makes LED probers and sorters, expects total ...

Wafer-test probe card specialist MJC Probe (MPI), which also makes LED testing and solar ingot slicing tools, expects its consolidated revenues to grow another 20-30% sequentially... Thursday 8 July ...

UK lighting manufacturer Cambridge Led has bought two multi-function LED testers from Seaward of County Durham. A subsidiary of lighting distributor Net Led, Cambridge operates from a 36,000 sq ft ...

Testing for failure with a multimeter is only partially effective, whereas a dedicated optocoupler testing circuit provides ...

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, ...