If you’ve done any PCB etching at home, chances are pretty good that you’ve at least tried the old standby, ferric chloride. It’s cheap and easy, and has a lot of advantages over other wet ...

The standard go-to solution is ferric chloride. It isn’t too tricky to ... When [w_k_fay] ran out of PCB etchant, he decided to make his own to replace it and wrote a great guide on how this ...

Electronics powers our world, but at what cost? Massive energy consumption, hazardous chemicals, and waste plague PCB and IC ...