The city’s wait for LED (light emitting diode) street lights seems to be getting only longer. After over three years of wait, the project to replace 4.85 lakh sodium vapour lamps with LED lights ...

Discover how to build a simple wireless power transfer system at home using readily available components like enameled copper ...

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, ...

My Google-Fu is failing me here, as there are too many possible combinations and options for what I'm looking for and I'm having trouble narrowing it down. We've been in this home for about 18 months, ...