Fiducial_Mark_Arduino.png - Electronics-Lab.com

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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 the design f... Read More

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