Whether you’re a book-learned engineer looking to finally get your hands on building circuits, or a maker, hobbyist, or student, these instructional videos get you started. The basic metallurgy of ...

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 ...

Effective printed-circuit-board cleaning requires special fluids, tools, and methods. Here are some of the most common to use and to avoid. How to effectively clean and dry printed circuit boards at ...