Your english is understandable which is all thats important Image may be NSFW.
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, look at my answer in the RS 485 part and if that doesn't help feel free to ask again. Parts creation is a complex process and you are doing fairly well already but it takes experience and asking lots of questions (I certainly did when I started Image may be NSFW.
Clik here to view. ) to figure it out. One thing that helps is to start your part from a generic IC from the core parts bin. Use inspector to set the number of pins your final part needs and then use parts editor to create a new part and export it then change the resulting svgs. The correct groups and connectors in all the files will be created by the export process which helps a lot until you learn what all the various groups need to look like. I usually start that way even though I now know what the group need to look like and could do it from scratch if I needed to.
Peter
