[Coco] CoCo3 FPGA project analog boards

[Zippster]

Dave, I’ve thought a bit about how to best do this, and I think this way will make for
a nice installation, and finished result.

To install the board, you’ll remove your plexiglass top, plug the analog board in,
and then with some additional hardware supplied with the board (standoffs, nylon
washers, screws, etc), you’ll reattach the plexiglass over the DE1/Analog board combo.

- Ed


> On Apr 18, 2016, at 7:07 PM, David Ladd <davidwladd at gmail.com> wrote:
> 
> Ed,
> Personally what ever makes these as easy to fit on the DE1 as best as
> possible to give us best results and reliability I am ok with :) plus the
> graphic looks cool too :)
> 
> On Monday, April 18, 2016, Zippster <zippster278 at gmail.com> wrote:
> 
>> I think I have the revisions to the board pretty well done.   Mostly board
>> layout
>> and routing changes, different DIN connectors, etc.  I replaced the
>> prototyping area
>> with a header for an optional plug in board, which includes 8 GPIOs from
>> the FPGA,
>> +3.3v and +5v power, and holes for standoffs to secure the optional
>> board.  I can make
>> a prototyping PCB to fit if people want that of course, and this way you
>> won’t have to mod
>> your analog board directly, and the GPIOs will be there without air wires.
>> 
>> It looked like it needed a graphic of some kind for the silkscreen, so for
>> fun
>> I drew one up.  :)
>> 
>> <https://drive.google.com/open?id=0B1sgl615FlGnM0xmZ2NYVnRqcmM <
>> https://drive.google.com/open?id=0B1sgl615FlGnM0xmZ2NYVnRqcmM>>
>> <https://drive.google.com/open?id=0B1sgl615FlGnd0NNOTU1Q3FLcW8 <
>> https://drive.google.com/open?id=0B1sgl615FlGnd0NNOTU1Q3FLcW8>>
>> 
>> - Ed
>> 
>> 
>> 
>> 
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