Soldering to a PC board can be tricky: Too much heat can make the copper trace lift right off the board substrate. Use a soldering pencil rated at 15-25 watts, no more. (Watch the video; story ...

Many of us own soldering irons or soldering guns. In fact, I have two Weller soldering guns that have incandescent bulbs to illuminate the work area. But, these lights tend to shine on a wide area. My ...

LEDs have outmatched incandescent bulbs in the aspect of operational time span. But one of the many reasons why some LED applications have short useful life is due to mishandling, such as improper ...