Etching your own PCBs from copper clad board is nothing new, but the ability to make your own circuit boards at home is so useful it should be part of every maker’s repertoire of skills.
For a lot of reasons, home etching of PCBs is somewhat of a dying art. The main reason is the rise of quick-turn PCB fabrication services, of course; when you can send your Gerbers off and receive ...
Fabricating printed circuit boards (PCBs) at home has long been a rewarding yet ... exposing the copper underneath. An etching solution, such as ferric chloride, dissolves the unprotected copper ...