Pentel N850 marker was the best photo resist, ferric chloride etched away the rest very cleanly.

If you’re going to learn something, it only makes sense to learn from a master. [CNLohr] is known around these parts for his fablous PCBs, and he’s finally started to document his entire fabrication ...

Sometimes the planets align and the Hackaday tip line gets two posts that are begging to be used together. Here’s two hacks to etch your own boards at home in just a few minutes. One way of putting an ...

Photochemical etching is a machining technique that leverages the principles behind photography to shape a piece of sheet metal and turn it into a finished product or component. The modern form of ...