Yet Another Cmoy - PCB layout with Eagle and making PCB - diyAudio
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Old 28th October 2013, 01:01 AM   #1
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Default Yet Another Cmoy - PCB layout with Eagle and making PCB

Hi guys,

My colleague is going to make some cmoys for kids/teens in his church.
He asked me if I can find a factory to make at least 30 ~ 50 cmoy PCBs
so that he can assembling the cmoy in a waterline fashion.

I have layout (copy and paste from the internet) the PCB with Eagle.
I am not an EE, I only use the autoroute function. I am looking for your help.
Here are some questions:

1. Please comment on the attached schematic and PCB layout. Is there anything that need changes or improvement?

2. each time I replace or re-allocate the compoents, I use autoroute to set the wire.
However, the width of the wire will change to a very small value. How can I set a default width of the signal wire?

3. Any suggestion of factory for fabricating 30 ~ 50 PCBs?

Thank you

Arthur
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Old 28th October 2013, 01:16 AM   #2
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PCB Prototypes should do.
GO to "PCB production". If it is something like 25x25mm you will get the number you need for slightly over $100
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Old 28th October 2013, 01:25 AM   #3
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Schematic and PCB layout files are attached.
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Old 28th October 2013, 01:27 AM   #4
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FIles are here.
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Old 28th October 2013, 02:07 AM   #5
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Location: Toronto, eh
I'll have a look when you get the files attached.
Auto-router usually produces terrible results.
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Old 28th October 2013, 02:10 AM   #6
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Quote:
Originally Posted by Sergey888 View Post
PCB Prototypes should do.
GO to "PCB production". If it is something like 25x25mm you will get the number you need for slightly over $100
Sergey,

Thank you for your prompt reply.
The linked site is very informative.
It quoted price suits our budget too.
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Old 28th October 2013, 02:11 AM   #7
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Quote:
Originally Posted by Avro Arrow View Post
I'll have a look when you get the files attached.
Auto-router usually produces terrible results.
Thank you Avro.
I will figure out how to submit the files soon~
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Old 28th October 2013, 02:51 AM   #8
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Zipped files attached.
Attached Files
File Type: zip DIYAUDIO.zip (91.9 KB, 113 views)
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Old 28th October 2013, 12:57 PM   #9
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Location: Toronto, eh
OK, I had a look.
The schematic is fine.
The board layout is awful.

The first place to start is the board size.
Does the board have to fit in a case?
What size does it need to be to fit the case
properly? Make the "Dimension" that size.
The board house will use the "Dimension" layer
to cut the outline of the board.
Next, arrange your components on the board keeping
in mind how the signals flow through them and keeping
the traces between them as short as practical.
You also have a nice ground plane, but it is not attached to
anything. You have to "Name" it the same as your ground net
in order for it to attach. That will clean up half of your wiring
right from the start.

Right now, the components just seem to be placed on the
board in a rather haphazard fashion. Work on your component
placement and post the result. If the component placement
is good, the trace layout will be a breeze.

Good luck!
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Old 28th October 2013, 02:27 PM   #10
marce is offline marce  United Kingdom
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Location: Blackburn, Lancs
PDFs of the layout would be useful for those that don't use eagle...
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