The LED, or light-emitting diode, is very unlikely to fail, and if it does, it goes out slowly over the years. Instead, it's the other electrical bits in LED bulbs that fail and cut off the bulb's ...
Nanoparticle tech could make for brighter, longer-lasting LEDs By Ben Coxworth August 10, 2020 An array of conventional LED diodes, as used within an LED light bulb tarczas/Depositphotos View 2 Images ...
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 ...