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Subject: Re: [geda-user] gEDA Symbols needed
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 <20220822063926 DOT 6637b133 AT queeg DOT menasians DOT com>
From: "Girvin Herr (gherrl2 AT fastmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
Message-ID: <51f9e3da-c635-852a-f173-76070c1e709d@fastmail.com>
Date: Mon, 22 Aug 2022 16:10:49 -0700
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On 8/22/22 3:39 AM, Stephen C. Menasian (menasian AT ptd DOT net) [via 
geda-user AT delorie DOT com] wrote:
> On Sun, 21 Aug 2022 15:09:09 -0700
> "Girvin Herr (gherrl2 AT fastmail DOT com) [via geda-user AT delorie DOT com]"
> <geda-user AT delorie DOT com> wrote:
>
>> Greetings.
>>
>> I am doing a documentation job and before I "roll my own", I am
>> wondering if anyone has a couple of gEDA gschem symbols (not
>> footprints!) that do not seem to be on the gedasymbols page:
>>
>> AMD Am25LS2521 bus comparator
>>
>> https://www.datasheetarchive.com/25ls2521-datasheet.html
>>
>> National DM8136 bus comparator
>>
>> https://www.digikey.com/en/products/detail/rochester-electronics-llc/DM8136N/12605592?utm_source=FindChips&utm_medium=buyNow
>>
>> If anyone has these symbols and/or knows where I can find them, please
>> let me know.
>>
>> Thanks.
>>
>> Girvin
>>
>>
>>
> Whenever I need a new symbol, I start with a similar part, either from
> the geda distribution library or my private library and open that symbol
> in gschem. Then, I make the desired changes (moving pins, adding pins,
> deleting pins, renumbering and/or relabeling pins, device attribute,
> graphical changes, etc.).  When I am happy with the result, I open the
> .sym file in a text editor and clean up any straggling bits (slotdefs,
> etc). If I "reload recent" the file in gschem, I ignore the "file has
> changed" warning and load it anyway. The entire process takes as little
> as 5 minutes for simple changes - up to 1/2 hour for a complete rework. I
> always save the result to my private library - not the system libraries.
>
> gsymcheck can help catch errors.
>
> Stephen

Stephen and Karl,

Thanks for your reply to my posting. Most of what you suggest, I already 
do. In fact, that is what I did today - Made these symbols from existing 
symbols in my library. I was just checking to see if someone had already 
done that work. No sense "reinventing the wheel." Not having these 
symbols available is not a problem for me. Thanks for the help and take 
care.

Girvin