[sdiy] Eagle footprints

Tim Ressel timr at circuitabbey.com
Sat Nov 21 01:04:20 CET 2015


Yeah, same here. I also do things like widen the SMT pads on some parts 
to make it easier to hand solder.

I like the bit about having a spreadsheet of known good library parts. I 
believe Sparkfun does this.

--TimR

On 11/20/2015 3:12 PM, Richie Burnett wrote:
> Thanks everyone for the suggestions.  I've kind of ended up building 
> my own libraries on a per project basis now anyway, so I'll just mod 
> the footprints to put a silkscreen dot nearby to mark pin one of the 
> SOIC devices.
>
> As Neil and Brian have said, if your previous board comes back perfect 
> from fab/assembly, then all of those footprints are then "approved".  
> I like that way of working, even though I still check all my artworks 
> in obsessive detail first using GC-prevue, and laser-print life-size 
> paper boards!
>
> -Richie,
>
>
>
> -----Original Message----- From: Neil Johnson
> Sent: Friday, November 20, 2015 9:17 PM
> To: Richie Burnett
> Cc: synth-diy
> Subject: Re: [sdiy] Eagle footprints
>
>
> Hi Richie,
>
> This is one of the reasons why I never use the libraries provided with 
> CAD tools.  The quality is just so varied, rarely consistent, and full 
> of unknown bugs.  At least if I fab a board with a mistake in a 
> component I have created I have only myself to blame!  And quite 
> honestly by the time I've thoroughly checked a vendor library for 
> correctness I might as well have made it myself.
>
> I separately maintain a catalogue of custom part numbers in a 
> spreadsheet (one sheet for each component type), and when I have 
> fabbed a board with a new footprint and tested it I then mark that 
> entry in bold so I know it works.
>
> Cheers,
> Neil
> -- 
> http://www.njohnson.co.uk
>
>
>
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-- 
--Tim Ressel
Circuit Abbey
timr at circuitabbey.com



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