Category:PCB 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!

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Is there any the default value for a trim-pot or the values is random? Reply 2016-06-24 13:02:23
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Henri Aroyan

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As a PCB hobbyist,I'm working on a design which calls for indicator LEDs. I'd like to set a minimum resistance by a resistor and trimpot,making the user adjust LED brightness as desired. Is there any the "default" value for a trim-pot or the values is random?
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Ferdinando Cicala

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Like this post very much.
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