Tag: Fiducial

PCB

Fiducial Marks in PCBs – What they are?

In the past, I’ve  always seen small circuits of copper with no silk screen or solder mask on top of it and as a PCB designer I have always the question in my mind: What is it for? — I’ve never needed them before! As I can find them in Arduino’s PCBs as well, I decided to open...

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