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PCB Design Rules

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Initially PCBs were designed manually by creating a photomask on a clear mylar sheet, usually at two or four times the true size. Starting from the schematic diagram the component pin pads were laid out on the mylar and then traces were routed to connect the pads. If you have many questions of PCB Design, please come here!

Community > Groups > PCB Design Rules > About the PCB trace width of LED matrix
About the PCB trace width of LED matrix
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Presently,I am trying to design a LED matrix with a separate voltage rail. My plan is doing this by making a PCB. Nevertheless,I don't know how to copy with the trace width. I wonder how we can calculate this correctly.
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Robert Jason

It is pretty helpful to my daily learning.

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