Tag: Fiducial
![Fiducial Marks in PCBs – What they are? Fiducial Marks in PCBs – What they are?](https://www.electronics-lab.com/wp-content/uploads/2017/06/fiducial-marks-in-pcbs-have-you-1024x576.jpg)
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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