Cheap, high-quality PCBs are truly a wonder of our age. That a professionally fabricated board with silkscreen and solder mask can be ordered online and delivered to your door has lowered the bar ...

Castellated PCB edges are kind of magical. The plated semicircular features are a way to make a solid, low-profile connection from one board to another, and the way solder flows into them is deeply ...

Here’s something for the inner romantics and DIY circuit board assemblers in all of us. Yes, I’m talking to you, my friend; soldering iron in one hand, PCB board in the other, pining to tell your ...