Re: gEDA-user: Solder Jumpers

["John Luciani" <jluciani@xxxxxxxxx>]

On Tue, Mar 25, 2008 at 6:12 PM, Ben Jackson <ben@xxxxxxx> wrote:
> On Tue, Mar 25, 2008 at 06:07:19PM -0400, John Luciani wrote:
>  > gap in between. The three pad jumper consists of a half circle on each
>  > end with a rectangular pad in between.
>
>  I'm sure you have a reason for using special pads, but I'd just use some
>  SMT resistor footprint.  I've made 3-pad strapping setups by putting a
>  pull up and down in the schematic and then overlapping the common pad so
>  a resistor can be installed either way.  Of course they cannot just be
>  bridged with solder.

The Arduino (and various 'duino brethren) have these configuration
jumpers. Since these
boards are built by novices I wanted to find the size jumper that they
typically use.

>
>  As for gaps, why not pull out an old unpopulated board and try a few
>  existing footprints?  QFP, TSSOP and maybe SO have gaps in the range
>  you'd like to try.  See what bridges well enough for your app.

If I can't find out some actual dimensions that people have used or seen
then it's down to the cellar ;-)

Thanks.

(* jcl *)

-- 
http://www.luciani.org


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