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 ...

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 ...

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 ...