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 ...

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, ...

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 ...