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From: Rupert Swarbrick <rswarbrick AT gmail DOT com>
Subject: Re: [geda-user] vectorized schematics on web page
Date: Sat, 02 Aug 2014 10:05:48 +0100
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Kai-Martin Knaak
<knaak AT iqo DOT uni-hannover DOT de> writes:
> Rupert Swarbrick wrote:
>
>> but I hadn't seen that style of
>> resistor symbol before. Does the triangle in the bottom right signify
>> anything in particular?
>>=20
> It marks pin 1 of the resistor.=20
> My footprints also feature mark at pin 1 -- With thru hole technology the=
=20
> pad is square. With SMD footprints there is a kink at the corner in the=20
> silk frame. This facilitates probing for signals during the inevitable=20
> debug stage. I know which side of the resistor I need to stab with my=20
> scope probe if am interested in that particular spot in the schematic.
> SMD resistor solder joints are often the more convenient to probe than=20
> that tiny output pin that sits just next to Vcc.
>
> I adopted these polarized resistor symbols from my former boss.

Aaah. That makes sense! I was thinking "Huh? non-polar component. What
on Earth is he doing?", but now I understand. A great idea!

Rupert

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