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 … ...

But they point to a concrete step districts can take to understand the extent of PCB contamination that could put far less strain on their budgets than tearing apart an entire building.

PCB Design is at the crossroads of mechanical and electrical domains. One day, you’re working with geometric dimensioning and tolerancing, and the next day you’re calculating temperature rise on a ...