<div dir="auto">because you still do the same verification but you also have other eyes on ir. <div dir="auto"><br></div><div dir="auto">for the srm32 i do a similar thing but i use the bsdls to generate the layout i want to start with in eagle </div><div dir="auto"><br></div><div dir="auto">with parts that are close then you have a base line to edit </div><div dir="auto"><br></div><div dir="auto">on top of that stuff like snapeda and ultra librarian can be great and they build in to the tool</div></div><div class="gmail_extra"><br><div class="gmail_quote">On 26 Jul 2017 18:14, "Gordonjcp" <<a href="mailto:gordonjcp@gjcp.net">gordonjcp@gjcp.net</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Wed, Jul 26, 2017 at 08:47:14PM +0100, Mrs Paula Anne Maddox wrote:<br>
> Pete,<br>
><br>
> Thanks, I'm starting some new probes so I'm considering using kicad from the start, the only but that worries me at the moment is defining my own foot prints for parts. I had a couple of hours with it earlier and I was surprised how quickly I picked it up.<br>
><br>
> Paula<br>
<br>
This is one of the things I've never understood when people say "but <my<br>
favourite package> has a zillion footprints and libraries!" - yes, but<br>
how many of them are useful?<br>
<br>
Beyond boring discretes I pretty much draw all the components I use in<br>
Kicad from scratch, particularly the schematic symbols, because I want<br>
them to look a certain way. For example I've got about five or six<br>
functionally identical but visually different STM32F103s because how I<br>
want the part to sit in the diagram depends on the surrounding circuit.<br>
<br>
A lot of the components I use don't necessarily come with a footprint<br>
for any CAD package so I'll just quickly draw it out from the diagram in<br>
the datasheet. In some cases (some little Omron relays we use at work<br>
spring to mind) the parts as supplied have two slightly different pin<br>
spacings because they stock an "equivalent" so it's easy enough to just<br>
add a couple of "funny shape" pads to accomodate them.<br>
<br>
It's very quick and easy to just rattle together a part if it's<br>
something you don't have, far more so than wading through thousands of<br>
parts that are almost but not quite the right thing.<br>
<br>
--<br>
Gordonjcp MM0YEQ<br>
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