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 ...
Although DIY PCB making has made great strides since the early days of chemical etching, there’s one fly in the ointment: vias. These connect individual layers of the board with a conductive tube, and ...
What are the different kinds of Vias used in printed circuit board designs? Vias are used as electrical connections between layers on a printed circuit board. They can carry signals or power between ...