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 ...

3V is sufficient to turn on any LED, but is within its reverse break down voltage rating (that is why I did not use the common 9V battery). Short circuit current is approx. 30mA. I used a 3V lithium ...

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 ...

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 ...

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 ...

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, ...

The simple Diode and LED Tester presented here costs under £5 to build (including all components, the battery and a cheap case) and will indicate the polarity of almost all types of LED and other ...