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Subject: Re: [geda-help] Four layer board
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From: "Cam (camfarnell AT bitflipper DOT ca) [via geda-help AT delorie DOT com]" <geda-help AT delorie DOT com>
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Date: Thu, 2 Apr 2020 20:48:05 -0300
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Thanks for pointing me to the blinker demo. I had seen that in the documentation but figured a blinker would need nothing more than a 2-layer board so didn't really look in any detail. It's exactly what I need to get me going.

Cheers

Cam

On 2020-04-02 6:58 p.m., DJ Delorie wrote:
> "Cam (camfarnell AT bitflipper DOT ca) [via geda-help AT delorie DOT com]"
> <geda-help AT delorie DOT com> writes:
>> I'm using PCB 4.0.2. The board is too complex and tight to route with
>> two layers. My next thought is to use four layers with the inner
>> layers being devoted to power and ground with almost the entire layer
>> copper and using thermals where it connects to pins and a gap for
>> non-power pins. But I could see no way to achieve this with PCB. Am I
>> missing something or is that just not supported?
> 
> pcb supports up to 16 layers in the default config, and more if you
> reconfigure.  The default stackup is a 6 layer board with an outline
> layer and a spare layer, IIRC.
> 
> The Getting Started guide has a demo of a multi-layer board
> http://www.delorie.com/pcb/docs/gs/gs.html#SMT-Blinker
>