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Arduino as ISP Shield v1.0

by asp55 Jun 15, 2012
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Based upon the purple color, it looks like an OSHPark/Dorkbot made PCB. They didn't like your BRD file when I tried uploading it. I think I tracked it down to an overlap due to a ground signal naming near the crystal, and the other issue is the silkscreen, mask, hole overlap on the Sparkfun RGB LED library part. Maybe they'd accept it if I uploaded Gerbers instead of the raw BRD file.

I did manage to CNC mill one myself on some double sided copper clad but I haven't soldered it up yet. My through holes won't be plated so I'll have to be a little careful on making sure the top traces are connected. Anything else I should know about this version?

I've got a single sided Arduino board I'm building for some robotics projects, and to make it single sided with no jumpers I had to loose the ICSP port. I'm making up an ICSP programmer on an IC test clip, but this would be really nice to have as well.

You're correct, I made the boards for this using OSHPark back when it was still the the dorkbot group order.

Did the automatic system reject it, or was it a problem after the order was placed? (I ask because I just tried uploading it through the automated process and didn't get any errors.) Though, when I run the latest version of the dru I get an error on the wire allowing the crystal space to house a crystal or ceramic resonator. I'll have to try and adjust that in a future version.

 I downloaded a fresh copy, did not open it in eagle to make sure I hadn't changed anything, and uploaded it. It gets up to the layer verification page, and then gives me a 500 Internal Server error when I go to the Approve and Continue step.

There is an unrouted ground signal between two IC pins on this version. It's easily fixed by opening in Eagle. That version fails at OSH too. I've had other boards pass, so I don't think it is me. I'll try mailing a clean version to them and seeing if they can help me figure out what it doesn't like.

I do have the prototype I milled, and last night I found out my local MicroCenter had the Evil Mad Scientist ISP board kit in stock when I was picking up a few header pins, so I have that now too.

Strange about the error.

That unrouted ground signal is actually intentional. The ground on this board uses two of the arduino's ground pins to tie all grounded pins to ground, making connecting that trace unnecessary.

Downloaded the files, but Eagle complains that there is invalid data in the files...

Which version of Eagle? I'll have to look into that.

Seems to be happy in all versions of Eagle 6.0 and Higher. 5.11 and earlier throw the aforementioned fit.