They can make the perfect watch dial! Here’s the thing. A printed circuit board is fundamentally some fiberglass coated in soldermask, some copper, maybe a layer of gold plating, and with some ...

These boards are putting the ‘A’ in STEAM, and now we have fiberglass replacements for enamel lapel pins. [jglim] didn’t have much experience with fabric, but a PCB lapel pin was something ...