Jianzhong Jiao describes the work of IES and CIE committees in formulating testing standards for AC LEDs, including temperature controls and the range of optical measurements needed to characterize ...

The flashlight is said to have more than 8 hours of consistent lumen output, higher than many flashlights we tested. Along ...

Due to their long life and high reliability, visible light emitting diodes (LEDs) are finding their way into more and more applications. LEDs are now found in most automobiles, street lights, outdoor ...

Ready for a fun DIY project? Watch as we transform a regular multimeter into a handy gadget using a phone charger case, copper tubes, and some clever tricks! Perfect for testing LEDs and Zener ...