In this video, I test the Acmer S1 Portable Laser Engraver—a beginner-friendly machine that promises plug-and-play simplicity ...

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 ...

While low-cost professional PCB fabrication has largely supplanted making circuit boards at home, there’s still something to be said for being able to go from design to prototype in an afternoon.