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There are different DIP-Sockets Types outthere, to be shure that most of them have place, you have to make more space arround them....
For the 40Pin DIP Socket, and the  Resistors and CAPS under/in it  > move them to the middle of the socket as much as you can...
For the case you have not the right CAPS ordered and the caps are to big, it make sense to make more place arround it...
As I can see this changes are easyli...possible without changing the PCB-Size
When using Sockets for the DIPs you have to make more space arround them....
 

 
It is always good to check the pcb design with other people ;)  - technicly i dont have checked it.
 
Have a nice weekend - phat
Edited by Phatline
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Thanks for having a look, I will move the resistors away from the edge of the DIP40. I always put caps as close as possible to the power pins for the best effectiveness. Some 4-wall sockets are actually mirrored (we're looking at the back of the board). It's always best if you don't have to, but bending components out of the way or putting them on the other side of the board is always possible. OSHpark won't be too expensive so I'll order a couple after a few changes.

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why single sided?  there is no cost benefit for that

 

Well he could have some fancy patterns etched on the other side!

 

 

Heh, nothing too fancy!

 

I'm still learning PCB design, but one rule of thumb is that you shouldn't have breaks in your ground plane where signals run across. If they go over a slot the return current has to take the long way around. Probably complete overkill unless you're getting into the MHz range, but I figure why not if it can be done without too much fuss.

 

med_gallery_5453_5_127181.png

 

The blue is a keepout zone as measured from the Core r4,

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<blockquote class='ipsBlockquote'data-author="latigid on" data-cid="169947" data-time="1430424581"><p>

Heh, nothing too fancy!<br />

<br />

I'm still learning PCB design, but one rule of thumb is that you shouldn't have breaks in your ground plane where signals run across. If they go over a slot the return current has to take the long way around. Probably complete overkill unless you're getting into the MHz range, but I figure why not if it can be done without too much fuss.<br />

<br />

<span rel='lightbox'><img src='http://midibox.org/forums/uploads/med_gallery_5453_5_127181.png' alt='Posted Image' class='bbc_img' /></span><br />

<br />

The blue is a keepout zone as measured from the Core r4,</p></blockquote>

Also have a look to the outlines of a 8pin socket for the optocoupler IC2. It seams to me that the resistors arround it are to near.... And maybe C4 will be hard to mount as well.

Best regards, novski

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