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 ...

To make the connection, the solder must be molten so that it can wet the metal surfaces that need to be connected. When ...

Soldering is an important skill for anybody who wants to put together circuit boards, play around with Arduino setups, or work on almost any type of electrical project. When first beginning, however, ...

When everything used wires, it was easy to splice them or replace them. Not so much with PC boards, but everyone has their favorite method for repairing a broken trace. [Mr. SolderFix] has his five ...

A printed circuit board turns separate parts into a stable system that powers up, talks to peripherals, and survives real ...